Big Ideas Math Answers Grade 1 Chapter 12 Tell Time Download Pdf links are available here. This Big Ideas Math Book 1st Grade Answer Key Chapter 12 Tell Time has solutions that can be understood by anyone easily. In this chapter each and every question was explained in a simple manner. The topics included in Big Ideas Math Answers Grade 1 Chapter 12 Tell-Time are Tell Time to the Hour, Half Hour, Hour and Half Hour, etc. You can understand this chapter by seeing the pictures shown below. Hence scroll down this page and start practicing from now itself.

## Big Ideas Math Book 1st Grade Answer Key Chapter 12 Tell Time

The Big Ideas Math Book 1st Grade Answer Key Chapter 12 Tell Time helps students for solving assignments and also for preparing for exams. Not only Students, teachers can also use BIM Grade 1 Answer Key Chapter 12 Tell Time as every question was solved in a simple way. By this teachers will not face any difficulty in making students understand the concepts. Click the below links and start your preparation. Test yourself by solving the problems given at the end of the chapter.

**Lesson: 1 Tell Time to the Hour**

- Lesson 12.1 Tell Time to the Hour
- Tell Time to the Hour Practice 12.1 Write the time shown by the hour hand

**Lesson: 2 Tell Time to the Half Hour**

**Lesson: 3 Tell Time to the Hour and Half Hour**

**Lesson: 4 Tell Time Using Analog and Digital Clocks**

- Lesson 12.4 Tell Time Using Analog and Digital Clocks
- Tell Time Using Analog and Digital Clocks Practice 12.4

**Performance Task**

### Tell Time Vocabulary

**Organize It**

Review Words:

above

below

next to

Use the review words to complete the graphic organizer.

Answer:

**Define It**

Use your vocabulary cards to identify the word.

Question 1.

Answer:

3 o’ clock

Explanation:

The hour hand, the shorter of the two hands, completes 1 rotation ( 360° ) in 12 hours in a normal 12-hour analogue. The minute hand, the longer hand, completes 1 rotation through 360° in 60 minutes.

As the hour hand is pointing 3 and minutes hand is at 12 means 00 minutes

Thus the time is 3 ‘ 0 clock .

Question 2.

Answer:

Digital clock showing time 3’o clock

Explanation:

In digital clock the time is represented with 4 numbers and two numbers are seperated with a colon in the middle.

the first two numbers indicates the hour and the other two numbers after the colon indicates the minutes. 00 minutes is indicated as 0 ‘ clock.

As the hour is showing 3 so the time is 3 ‘ 0 clock .

Question 3.

Answer:

Hour hand

Explanation:

The red hand in the above clock is shorter hand called as a hour hand. It indicates the hour. It is between 3 and 4 so the time is half past 3′ o clock

Question 4.

Answer:

longer hand – Minutes hand

Explanation:

The blue hand in the above watch indicates the minute hand. it is showing 6 in the watch means 30 minutes.

### Lesson 12.1 Tell Time to the Hour

**Explore and Grow**

Write the missing numbers.

Answer:

Explanation:

Clocks are used to measure time. A clock in general has 12 numbers written on it, from 1 to 12, an hour hand, and a minute hand.

**Show and Grow**

Write the time shown by the hour hand.

Question 1.

__________ o’ clock

Answer:

3 o ‘ clock

Explanation:

As the hour hand is pointing 3 in the above clock. so the time is 3 o ‘ clock

Question 2.

__________ o’ clock

Answer:

7 o ‘ clock

Explanation:

As the hour hand is pointing 7 in the above clock so the time is 7 o ‘ clock

Question 3.

__________ o’ clock

Answer:

1 o ‘ clock

Explanation:

As the hour hand is pointing 1 in the above clock so the time is 1 o ‘ clock

Question 4.

__________ o’ clock

Answer:

9 o ‘ clock

Explanation:

As the hour hand is pointing 9 in the above clock. so the time is 9 o ‘ clock

Question 5.

__________ o’ clock

Answer:

6 o ‘ clock

Explanation:

As the hour hand is pointing 6 in the above clock. so the time is 6 o ‘ clock

Question 6.

__________ o’ clock

Answer:

11 o ‘ clock

Explanation:

As the hour hand is pointing 11 in the above clock. so the time is 11 o ‘ clock

**Apply and Grow: Practice**

Write the time shown by the hour hand.

Question 7.

__________ o’ clock

Answer:

8 o ‘ clock

Explanation:

As the hour hand is pointing 8 in the above clock. so the time is 8 o ‘ clock

Question 8.

__________ o’ clock

Answer:

12 o ‘ clock

Explanation:

As the hour hand is pointing 12 in the above clock. so the time is 12 o ‘ clock

Question 9.

__________ o’ clock

Answer:

4 o ‘ clock

Explanation:

As the hour hand is pointing 4 in the above clock. so the time is 4 o ‘ clock

Draw the hour hand to show the time.

Question 10.

5 o’ clock

Answer:

Explanation:

As the hour hand is pointing 5 in the above clock. so the time is 5 o ‘ clock

Question 11.

10 o’ clock

Answer:

Explanation:

To represent 10 o’ clock we need to point short hand – hour hand to 10 .

Question 12.

2 o’ clock

Answer:

Explanation:

To represent 2 o’ clock we need to point short hand – hour hand to 2 .

Question 13.

**MP Precision**

You wake up at 7 o’clock. Which clock shows the time you wake up?

Answer:

I waked at 7 o’clock. the correct figure is second figure .

Explanation:

As the hour hand is pointing 7 in the second clock. so the time is 7 o ‘ clock

**Think and Grow: Modeling Real Life**

You eat dinner I hour later than your friend. Show and write the time you eat dinner.

__________ o’ clock

Answer:

My friend had dinner at 5 o’ clock

I had my dinner at= 5 o’ clock + 1 hour = 6 o’ clock

Explanation:

I had my dinner at one hour later than my friend = 5 o’ clock + 1 hour = 6 o’ clock

To represent 6 o’ clock we need to point short hand – hour hand to 6.

**Show and Grow**

Question 14.

Math class starts 1 hour earlier than science class. Show and write the time math class starts.

__________ o’ clock

Answer:

Time of science class =10 o’ clock

Time of Math class = 10 o’ clock – 1 hour = 9 o’ clock

Explanation:

Math class starts 1 hour earlier than science class that means one hour before 10 o’ clock.

One hour before 10 o’ clock is 9 o’clock.

To represent 9 o’ clock we need to point short hand – hour hand to 9.

### Tell Time to the Hour Practice 12.1 Write the time shown by the hour hand.

Question 1.

__________ o’ clock

Answer:

10 o ‘ clock

Explanation:

As the hour hand is pointing 10 in the above clock. so the time is 10 o ‘ clock

Question 2.

__________ o’ clock

Answer:

5 o ‘ clock

Explanation:

As the hour hand is pointing 5 in the above clock. so the time is 5 o ‘ clock

Question 3.

__________ o’ clock

Answer:

1 o ‘ clock

Explanation:

As the hour hand is pointing 1 in the above clock. so the time is 1 o ‘ clock

Draw the hour hand to show the time.

Question 4.

4 o’ clock

Answer:

Explanation:

To represent 4 o’ clock we need to point short hand – hour hand to 4.

Question 5.

12 o’ clock

Answer:

Explanation:

To represent 12 o’ clock we need to point short hand – hour hand to 12.

Question 6.

8 o’ clock

Answer:

Explanation:

To represent 8 o’ clock we need to point short hand – hour hand to 8.

Question 7.

**MP Precision**

You eat a snack at 2 o’clock. Which clock shows the time you eat a snack?

Answer:

The time we eat snacks is at 2 o’clock. which is the first orange clock showing the time 2 .

Explanation:

To represent 2 o’ clock the short hand – hour hand should point to 2.only in the first orange clock the hour hand is pointing to 2 o’clock.

Question 8.

**Modeling Real Life**

Your friend gets on the bus I hour later than you. Show and write the time your friend gets on the bus.

__________ o’ clock

Answer:

Time when i get into the bus is at 7 o’clock.

My friend get into bus 1 hour later than me = 7 o’clock + 1 hour = 8 o’clock

Explanation:

My friend get into bus 1 hour later than me.one hour later than 7 o’ clock.

One hour after 7 o’ clock is 8 o’clock.

To represent 8 o’ clock we need to point short hand – hour hand to 8.

**Review & Refresh**

Question 9.

6 – ? = 4

6 – _________ = 4

Answer:

2 + 4 = 6

Explanation:

As per the above figure we observe that there are two sections in one section we contain 2 circles and in other sections we have 4 circles .

Total number of circles in all = 6 = 2 + 4 .

from there we get 6 – 2 = 4 .

Question 10.

8 – ? = 4

8 – _________ = 3

Answer:

8 – 5 = 3

8 = 3 + 5

Explanation:

To get 8 we need to add 3 to 5

so 8 – 5 = 3

### Lesson 12.2 Tell Time to the Half Hour

**Explore and Grow**

Draw the hour hand and tell the time.

The hour hand points to the 3.

It is __________ o’clock.

Answer:

Explanation:

The hour hand points to the 3.

It is 3 o’clock.

The hour hand points between the 3 and the 4.

It is half past ___________ .

Answer:

Explanation:

The hour hand points between the 3 and the 4.

It is half past 3 . so Time is 3 : 30

**Show and Grow**

Write the time shown by the hour hand.

Question 1.

half past __________

Answer:

half past 10 o’ clock

Time is 10:30

Explanation:

Half-past ten is a short way of saying it’s half an hour (30 minutes) after 10:00.

Here the short hand or hour hand points in between 10 and 11.

so the Time is 10:30.

Question 2.

half past __________

Answer:

half past 8 o’ clock

Time is 8:30

Explanation:

Half-past 8 is a short way of saying it’s half an hour (30 minutes) after 8:00.

Here the short hand or hour hand points in between 8 and 9.

so the Time is 8:30.

Question 3.

half past __________

Answer:

half past 5 o’ clock

Time is 5:30

Explanation:

Half-past 5 is a short way of saying it’s half an hour (30 minutes) after 5:00.

Here the short hand or hour hand points in between 5 and 6.

so the Time is 5:30.

Question 4.

half past __________

Answer:

half past 3 o’ clock

Time is 3:30

Explanation:

Half-past 3 is a short way of saying it’s half an hour (30 minutes) after 3:00.

Here the short hand or hour hand points in between 3 and 4.

so the Time is 3:30.

Question 5.

half past __________

Answer:

half past 12 o’ clock

Time is 12:30

Explanation:

Half-past 12 is a short way of saying it’s half an hour (30 minutes) after 12:00.

Here the short hand or hour hand points in between 12 and 1.

so the Time is 12:30.

Question 6.

half past __________

Answer:

half past 2 o’ clock

Time is 2:30

Explanation:

Half-past 2 is a short way of saying it’s half an hour (30 minutes) after 2:00.

Here the short hand or hour hand points in between 2 and 3.

so the Time is 2:30.

**Apply and Grow: Practice**

Write the time shown by the hour hand.

Question 7.

half past __________

Answer:

half past 7 o’ clock

Time is 7:30

Explanation:

Half-past 7 is a short way of saying it’s half an hour (30 minutes) after 7:00.

Here the short hand or hour hand points in between 7 and 8.

so the Time is 7:30.

Question 8.

half past __________

Answer:

half past 4 o’ clock

Time is 4:30

Explanation:

Half-past 4 is a short way of saying it’s half an hour (30 minutes) after 4:00.

Here the short hand or hour hand points in between 4 and 5.

so the Time is 4:30.

Question 9.

half past __________

Answer:

half past 5 o’ clock

Time is 5:30

Explanation:

Half-past 5 is a short way of saying it’s half an hour (30 minutes) after 5:00.

Here the short hand or hour hand points in between 5 and 6.

so the Time is 5:30.

Draw the hour hand to show the time.

Question 10.

half past 6

Answer:

Explanation:

To indicate half past 6 we need to point short hand or hour hand in between 6 and 7 .

Half-past 6 is a short way of saying it’s half an hour (30 minutes) after 6:00.

so the Time is 6:30.

Question 11.

1 o’clock

Answer:

Explanation:

To indicate half past 1 we need to point short hand or hour hand in between 1 and 2 .

Half-past 1 is a short way of saying it’s half an hour (30 minutes) after 1:00.

so the Time is 1:30.

Question 12.

half past 9

Answer:

Explanation:

To indicate half past 9 we need to point short hand or hour hand in between 9 and 10 .

Half-past 9 is a short way of saying it’s half an hour (30 minutes) after 9:00.

so the Time is 9:30.

Question 13.

**DIG DEEPER!**

Is it time for lunch or recess?

Answer:

Lunch time – half past 11

Explanation:

The short hand or hour hand in between 11 and 12 . so the time is half past 11.

So the time is 11 : 30

**Think and Grow: Modeling Real Life**

Soccer practice lasts a half hour. Show and circle the time practice ends.

half past 3 5 o’ clock half past 4

Answer:

The Time when soccer match started is half past 4 that is 4 : 30 as per the above figure.

match lasts only half hour that is 30 minutes

So match ends at 4:30 + 30 minutes = 5 o’ clock

the time practice ends =5 o’ clock.

Explanation:

To represent 5 o’ clock we need to point short hand – hour hand to 5 .

Show and Grow

Question 14.

A television show lasts a half hour. Show and circle the time the show ends.

7 o’clock half past 7 6 o’clock

Answer:

The Time when Television show started is half past 6 that is 6 : 30 as per the above figure.

Television show lasts only half hour that is 30 minutes

So show ends at 6:30 + 30 minutes = 7 o’ clock

the time practice ends =7 o’ clock.

Explanation:

To represent 7 o’ clock we need to point short hand – hour hand to 7 .

### Tell Time to the Half Hour Practice 12.2

Write the time shown by the hour hand.

Question 1.

half past _____________

Answer:

half past 1 o’ clock

Time is 1:30

Explanation:

Half-past 1 is a short way of saying it’s half an hour (30 minutes) after 1:00.

Here the short hand or hour hand points is in between 1 and 2.

so the Time is 1:30.

Question 2.

half past _____________

Answer:

half past 5 o’ clock

Time is 5:30

Explanation:

Half-past 5 is a short way of saying it’s half an hour (30 minutes) after 5:00.

Here the short hand or hour hand points is in between 5 and 6.

so the Time is 6:30.

Question 3.

half past _____________

Answer:

half past 12 o’ clock

Time is 12:30

Explanation:

Half-past 12 is a short way of saying it’s half an hour (30 minutes) after 12:00.

Here the short hand or hour hand points is in between 12 and 1.

so the Time is 12:30.

Draw the hour hand to show the time.

Question 4.

half past 9

Answer:

Explanation:

To indicate half past 9 we need to point short hand or hour hand in between 9 and 10 .

Half-past 9 is a short way of saying it’s half an hour (30 minutes) after 9:00.

so the Time is 9:30.

Question 5.

half past 2

Answer:

Explanation:

To indicate half past 2 we need to point short hand or hour hand in between 2 and 3 .

Half-past 2 is a short way of saying it’s half an hour (30 minutes) after 2:00.

so the Time is 2:30.

Question 6.

10 o’ clock

Answer:

Explanation:

To indicate half past 10 we need to point short hand or hour hand in between 10 and 11 .

Half-past 10 is a short way of saying it’s half an hour (30 minutes) after 10:00.

so the Time is 10:30.

Question 7.

**DIG DEEPER!**

Is it time for art class or math class?

Answer:

Art class half past 9

Explanation:

The short hand or hour hand in between 9 and 10 . so the time is half past 9.

So the time is 9 : 30 . It is art class at half past 9 .

Question 8.

**Modeling Real Life**

Your music class lasts a half hour. Show and circle the time your music class ends.

half past 12 half past 1 2 o’clock

Answer:

The Time when Music class started is at 1 o’clock as per the above figure.

Music class lasts only half hour that is 30 minutes

So Music class ends at 1:00 + 30 minutes = 1 : 30

the time practice ends = 1 : 30.

Explanation:

To represent half past 1 or 1:30 we need to point short hand – hour hand in between 1 and 2 .

**Review & Refresh**

Question 9.

Your friend has 9 peanuts. You have 2 fewer than your friend. How many peanuts do you have?

___________ ○ ___________ = ___________ peanuts

Answer:

Explanation:

Number of peanuts with my friend = 9

Number of peanuts with me are 2 fewer than my friend means two less peanuts than my friend

So, Number of peanuts with me = 9 – 2 = 7 peanuts.

### Lesson 12.3 Tell Time to the Hour and Half Hour

**Explore and Grow**

Complete the sentences.

The hour hand points to the __________ .

The minute hand points to the __________ .

It is __________ o’clock.

Answer:

The hour hand points to the 2 .

The minute hand points to the 12 .

It is 2 o’clock.

The hour hand points halfway between the __________ and the __________ .

The minute hand points to the __________ .

It is half past __________ .

Answer:

The hour hand points halfway between the 2 and the 3 .

The minute hand points to the 6.

It is half past 2 .

The time is 2 : 30

**Show and Grow**

Write the time.

Question 1.

__________

Answer:

7 o’clock

Explanation:

The hour hand points to the 7 .

The minute hand points to the 12 .

It is 7 o’clock.

Question 2.

__________

Answer:

2 o’clock

Explanation:

The hour hand points to the 2 .

The minute hand points to the 12 .

It is 2 o’clock.

Question 3.

__________

Answer:

half past 9

Explanation:

The hour hand points halfway between the 9 and the 10 .

The minute hand points to the 6 means 30 minutes

It is half past 9 .

The time is 9 : 30

Question 4.

__________

Answer:

8 o’clock

Explanation:

The hour hand points to the 8 .

The minute hand points to the 12 .

It is 8 o’clock.

Question 5.

__________

Answer:

half past 12

Explanation:

The hour hand points halfway between the 12 and the 1 .

The minute hand points to the 6 . it means 30minutes

It is half past 12 .

The time is 12 : 30

Question 6.

__________

Answer:

The hour hand points halfway between the 1 and the 2 .

The minute hand points to the 6 it means 30 minutes

It is half past 1 .

The time is 1 : 30

**Apply and Grow: Practice**

Draw to show the time.

Question 7.

half past 5

Answer:

Explanation:

The hour hand points halfway between the 5 and the 6 .

The minute hand points to the 6 it means 30 minutes

It is half past 5 .

The time is 5 : 30

Question 8.

6 o’ clock

Answer:

6 o’clock

Explanation:

The hour hand points to the 6 .

The minute hand points to the 12 .

It is 6 o’clock.

Question 9.

half past 10

Answer:

It is half past 10

Explanation:

The hour hand points halfway between the 10 and the 11 .

The minute hand points to the 6 it means 30 minutes

It is half past 10 .

The time is 10 : 30

Question 10.

3 o’ clock

Answer:

3 o’clock

Explanation:

The hour hand points to the 3 .

The minute hand points to the 12 .

It is 3 o’clock.

Question 11.

11 o’ clock

Answer:

Explanation:

The hour hand points to the 11 .

The minute hand points to the 12 .

It is 11 o’clock.

Question 12.

half past 4

Answer:

Explanation:

The hour hand points halfway between the 4 and the 5 .

The minute hand points to the 6 it means 30 minutes

It is half past 4 .

The time is 4 : 30

Question 13.

**YOU BE THE TEACHER**

Newton shows half past 6. Is he correct? Explain.

Answer:

No

Explanation:

The hour hand points halfway between the 6 and the 7 .

The minute hand points to the 6 it means 30 minutes

It is half past 6 .

The time is 6 : 30

**Think and Grow: Modeling Real Life**

You spend an hour at the park. Show and write the time you leave.

____________

Answer:

I arrive at park = 11 : 00

I spend one hour in park

Time I leave from park = 11 : 00 + 1 hour = 12:00

Explanation:

The hour hand points to the 12 .

The minute hand points to the 12 .

It is 12 o’clock.

**Show and Grow**

Question 14.

You spend a half hour on your homework. Show and write the time you finish.

____________

Answer:

I started my home work at 3 : 00

Time spend on home work = half and hour = 30 minutes.

Time to finish home work = 3:00 + 30 minutes = 3 : 30

Explanation:

The hour hand points halfway between the 3 and the 4 .

The minute hand points to the 6 it means 30 minutes

It is half past 3 .

The time is 3 : 30

### Tell Time to the Hour and Half Hour Practice 12.3

Write the time.

Question 1.

____________

Answer:

Time is 11:30

Explanation:

The hour hand points halfway between the 11 and the 12 .

The minute hand points to the 6 it means 30 minutes

It is half past 11 .

The time is 11 : 30

Question 2.

____________

Answer:

Time is 3 o’clock

Explanation:

The hour hand points to the 3 .

The minute hand points to the 12 .

It is 3 o’clock.

Question 3.

____________

Answer:

Time is 1 o’clock

Explanation:

The hour hand points to the 1 .

The minute hand points to the 12 .

It is 1 o’clock.

Draw to show the time.

Question 4.

5 o’ clock

Answer:

Explanation:

The hour hand points to the 5 .

The minute hand points to the 12 .

It is 5 o’clock.

Question 5.

half past 7

Answer:

Time is 7:30

Explanation:

The hour hand points halfway between the 7 and the 8 .

The minute hand points to the 6 it means 30 minutes

It is half past 7 .

The time is 7 : 30

Question 6.

half past 2

Answer:

Time is 2:30

Explanation:

The hour hand points halfway between the 2 and the 3 .

The minute hand points to the 6 it means 30 minutes

It is half past 2 .

The time is 2 : 30

Question 7.

**YOU BE THE TEACHER**

Descartes shows 12 o’clock. Is he correct? Explain.

Answer:

Yes

Time is 12 o’clock

Explanation:

The hour hand points to the 12 .

The minute hand points to the 12 .

It is 12 o’clock.

Question 8.

**Modeling Real Life**

You play tag for an hour. Show and write the time you stop playing tag.

________________

Answer:

The Time I started playing tag = 9 : 00

Duration of play tag = 1 hour.

The Time I stopped playing tag = 9:00 + 1 hour = 10: 00

Time is 10 o’clock

Explanation:

The hour hand points to the 12 .

The minute hand points to the 12 .

It is 12 o’clock.

**Review & Refresh**

Question 9.

Circle the cube. Draw a rectangle around the sphere.

Answer:

Explanation:

Cube – A solid body having six equal square sides.

Sphere – A sphere is a round, ball-shaped solid. It has one continuous surface with no edges or vertices .

### Lesson 12.4 Tell Time Using Analog and Digital Clocks

**Explore and Grow**

Show the time on the analog clock. What is the same about the clocks? What is different?

The time is __________ o’clock.

Answer:

Explanation:

Time is 4 o’clock

The hour hand points to the 4 .

The minute hand points to the 12 .

The time is half past _________ .

Answer:

Explanation:

The hour hand points halfway between the 4 and the 5 .

The minute hand points to the 6 it means 30 minutes

It is half past 4 .

The time is 4 : 30

**Show and Grow**

Show the time.

Question 1.

Answer:

Explanation:

Time is 9 o’clock

The hour hand points to the 9 .

The minute hand points to the 12 .

Question 2.

Answer:

Explanation:

The hour hand points halfway between the 7 and the 8 .

The minute hand points to the 6 it means 30 minutes

It is half past 7 .

The time is 7 : 30

Question 3.

Answer:

Explanation:

Time is 12 o’clock

The hour hand points to the 12 .

The minute hand points to the 12 .

Question 4.

Answer:

Explanation:

The hour hand points halfway between the 2 and the 3 .

The minute hand points to the 6 it means 30 minutes

It is half past 2 .

The time is 2 : 30

**Apply and Grow: Practice**

Show the time.

Question 5.

Answer:

Explanation:

Time is 2 o’clock

The hour hand points to the 2 .

The minute hand points to the 12 .

Question 6.

Answer:

Explanation:

The hour hand points halfway between the 11 and the 12 .

The minute hand points to the 6 it means 30 minutes

It is half past 11 .

The time is 11 : 30

Draw to show the time.

Question 7.

Answer:

Explanation:

The hour hand points halfway between the 8 and the 9 .

The minute hand points to the 6 it means 30 minutes

It is half past 8 .

The time is 8 : 30

Question 8.

Answer:

Explanation:

Time is 4 o’clock

The hour hand points to the 4 .

The minute hand points to the 12 .

**DIG DEEPER!**

Complete the clocks to show the same time.

Question 9.

Answer:

Explanation:

From the given figure in Analog clock we notice the hour hand is between 9 and 10 .

In digital clock we notice 30 minutes:

From the above two given statements we can conclude the time is 9 : 30.

Question 10.

Answer:

Explanation:

From the given figure in Analog clock we notice the Minutes hand is at 12.

In digital clock we notice hour as 1 o’clock

From the above two given statements we can conclude the time is 1:00.

Question 11.

**Which One Doesn’t Belong?**

Which time does not belong with the other three? Think: How do you know?

Answer:

Figure 1 , 2 and 4 describes half past 3 time whereas figure 3 describes half past 4 time .

Figure 3 is different from other 3 figures.

Explanation:

The hour hand points halfway between the 3 and the 4 .

The minute hand points to the 6 it means 30 minutes

It is half past 3 .

The time is 3 : 30

**Think and Grow: Modeling Real Life**

A play starts 1 hour later than a movie. Show and circle the time the play starts.

half past 2 half past 4 3 o’clock 4 o’clock

Answer:

Time when Movie started = 3:30

Time when play starts is one hour later than movie

Time when play starts = 3:30 + 1 hour = 4:30

Explanation:

The hour hand points halfway between the 4 and the 5 .

The minute hand points to the 6 it means 30 minutes

It is half past 4 .

The time is 4:30

**Show and Grow**

Question 12.

Tumbling starts a half hour later than dance. Show and circle the time tumbling starts.

half past 5 4 o’clock 6 o’clock half past 4

Answer:

Time when dance started = 5:00

Tumbling starts a half hour later than dance

Time when tumbling starts = 5:00 + 0:30 minutes = 5:30

Explanation:

The hour hand points halfway between the 5 and the 6 .

The minute hand points to the 6 it means 30 minutes

It is half past 5 .

The time is 5:30

### Tell Time Using Analog and Digital Clocks Practice 12.4

Show the time.

Question 1.

Answer:

Explanation:

Time is 7 o’clock

The hour hand points to the 7 .

The minute hand points to the 12 .

Question 2.

Answer:

Explanation:

Time is 4 o’clock

The hour hand points to the 4 .

The minute hand points to the 12 .

Question 3.

Answer:

Explanation:

The hour hand points halfway between the 10 and the 11 .

The minute hand points to the 6 it means 30 minutes

It is half past 10 .

The time is 10:30

Draw to show the time.

Question 4.

Answer:

Explanation:

As per the digital clock the time is 12:30 . The same time is represented in analog clock

The hour hand points halfway between the 12 and the 1 .

The minute hand points to the 6 it means 30 minutes

It is half past 12 .

The time is 12:30

Question 5.

Answer:

Explanation:

As per the digital clock the time is 11:00 . The same time is represented in analog clock

Time is 11 o’clock

The hour hand points to the 11 .

The minute hand points to the 12 .

Question 6.

Answer:

Explanation:

As per the digital clock the time is 4:30 . The same time is represented in analog clock

The hour hand points halfway between the 4 and the 5 .

The minute hand points to the 6 it means 30 minutes

It is half past 4 .

The time is 4:30

Question 7.

**Which One Doesn’t Belong?**

Which time does not belong with the other three? Think: How do you know?

Answer:

The figure does not belong to the 3 figures as it shows time as 7:30 and all other 3 figures shows time as 6:30 or half past 6

Explanation:

The hour hand points halfway between the 6 and the 7 .

The minute hand points to the 6 it means 30 minutes

It is half past 6 .

The time is 6:30

Question 8.

**Modeling Real Life**

Bowling starts I hour later than ice skating. Show and circle the time bowling starts.

half past 5 5 o’clock half past 4 3 o’ clock

Answer:

Time when Ice skating starts = 4:00

Bowling starts I hour later than ice skating

Time when bowling starts = 4:00 + 1:00 = 5:00

Explanation:

Time is 5 o’clock

The hour hand points to the 5 .

The minute hand points to the 12

**Review & Refresh**

Question 9.

Circle the cone. Draw a rectangle around the cylinder.

Answer:

Explanation:

Cone-A cone is a shape formed by using a set of line segments or the lines which connects a common point, called the apex or vertex, to all the points of a circular base.

Cylinder-A cylinder is a three-dimensional solid that holds two parallel bases joined by a curved surface, at a fixed distance.

### Tell Time Performance Task

Question 1.

Your class is on a field trip to a nature center.

Complete the schedule.

Field Trip Schedule | |

Activity | Time |

Arrive | 9:00 |

The Wildlife Walk | 9:30 |

Scavenger Hunt | 10 : 30 |

Pond study | 11:30 |

Lunch | 12:00 |

Recess | 12:30 |

Live Animal Show | 1:00 |

Leave | 2: 00 |

a. The Pond Study starts at the time shown.

Answer: 11:30

b. The Wildlife Walk starts at half past 9

Answer:

9:30

c. The Scavenger Hunt starts 1 hour after the Wildlife Walk starts.

Answer: 10 :30

d. Recess starts a half hour after lunch.

Answer: 12:30

e. You leave 1 hour before 3:00.

Answer: 2:00

Question 2.

Lunch lasts a half hour. Write the time that lunch ends.

Answer: 12:30

Question 3.

Draw the time the Live Animal Show starts.

Answer: 1:00

### Tell Time Chapter Practice

### Tell Time to the Hour Homework & Practice 12.1

Write the time shown by the hour hand.

Question 1.

__________ o’ clock

Answer:

1 o’clock

Explanation:

As the hour hand is pointing 1 in the above clock. so the time is 1 o ‘ clock

Question 2.

__________ o’ clock

Answer:

11 o’clock

Explanation:

As the hour hand is pointing 11 in the above clock. so the time is 11 o ‘ clock

Question 3.

__________ o’ clock

Answer:

8 o’clock

Explanation:

As the hour hand is pointing 8 in the above clock. so the time is 8 o ‘ clock

### Tell Time to the Half Hour Homework & Practice 12.2

Draw the hour hand to show the time.

Question 4.

half past 9

Answer:

Explanation:

To represent half past 9 we need to point short hand or hour hand in halfway between 9 and 10 .

Half-past 6 is a short way of saying it’s half an hour (30 minutes) after 9:00.

so the Time is 9:30.

Question 5.

2 o’ clock

Answer:

Explanation:

As the hour hand or short hand is pointing 2 in the above clock. so the time is 2 o ‘ clock

Question 6.

half past 5

Answer:

Explanation:

To represent half past 5 we need to point short hand or hour hand in halfway between 5 and 6 .

Half-past 6 is a short way of saying it’s half an hour (30 minutes) after 5:00.

so the Time is 5:30.

Question 7.

**MP Precision**

Is it time to brush your teeth or go to bed?

Answer:

Brush teeth : half past 7

Explanation:

As per the above clock it shows the short hand or hour hand is halfway pointing between 7 and 8. It is half past 7

so the Time is 7:30.

### Tell Time to the Hour and Half Hour Homework & Practice 12.3

Write the time.

Question 8.

__________

Answer:

Time is 6 o’clock

Explanation:

The hour hand points to the 6 .

The minute hand points to the 12 .

Question 9.

__________

Answer:

The time is 10:30

Explanation:

The hour hand points halfway between the 10 and the 11 .

The minute hand points to the 6 it means 30 minutes

It is half past 10

Question 10.

__________

Answer:

The time is 3:30

Explanation:

The hour hand points halfway between the 3 and the 4 .

The minute hand points to the 6 it means 30 minutes

It is half past 3

Question 11.

**Modeling Real Life**

You read for a half hour. Show and write the time you stop reading.

___________

Answer:

Time when i started reading = 4:00

You read for a half hour

Time when i stopped reading = 4:00 + 0:30 = 4:30

Explanation:

The hour hand points halfway between the 4 and the 5 .

The minute hand points to the 6 it means 30 minutes

It is half past 4

### Tell Time Using Analog and Digital Clocks Homework & Practice 12.4

Complete the clocks to show the same time.

Question 12.

Answer:

Time is 1:30

Explanation:

From the given figure in Analog clock we notice the hour hand is between 1 and 2 .

In digital clock we notice 30 minutes:

From the above two given statements we can conclude the time is 1:30.

Question 13.

Answer:

Time is 9:00

Explanation:

From the given figure in Analog clock we notice the hour hand is pointing 9

In digital clock we notice 00 minutes:

From the above two given statements we can conclude the time is 9:00.

Question 14.

Answer:

Time is 12:30

Explanation:

From the given figure in Analog clock we notice the minutes hand is pointing 6

In digital clock we notice hour as 12

From the above two given statements, we can conclude the time is 12:30

*Conclusion:*

Hope the Answer Key for Big Ideas Math Grade 1 Chapter 12 Tell Time is helpful for all the primary level students. Students who are lagging in this concept can overcome their difficulties by practicing the problems from Big Ideas Math Answers Grade 1 Chapter 12 Tell Time. Keep in touch with our website i.e, bigideasmathanswers.com to get the latest updates regarding the BIM Grade 1 Solution Key for all Chapters.