## Engage NY Eureka Math 3rd Grade Module 1 Lesson 15 Answer Key

### Eureka Math Grade 3 Module 1 Lesson 15 Pattern Sheet Answer Key

Multiply.

multiply by 4 (1–5)

Explanation:
Multiply by 4 (1–5) the expression as shown above.

### Eureka Math Grade 3 Module 1 Lesson 15 Problem Set Answer Key

Question 1.
Label the tape diagrams and complete the equations. Then,
draw an array to represent the problems.

Explanation:
Labeled the tape diagram and completed the equations,
Drawn an array to represent the problems as
2 X 4 = 8, 4 X 2 = 8.

Explanation:
Labeled the tape diagram and completed the equations,
Drawn an array to represent the problems as
3 X 4 = 12, 4 X 3 = 12.

Explanation:
Labeled the tape diagram and completed the equations,
Drawn an array to represent the problems as
7 X 4 = 28, 4 X 7 = 28.

Question 2.
Draw and label 2 tape diagrams to model why the statement in the box is true.

Statement in the box is true,

Explanation:
Drawn and labeled 2 tape diagrams to model the statement
in the box is true because as  4 X 6 = 24 and 6 X 4 = 24,
both has result value as 24, So the statement is true.

Question 3.
Grace picks 4 flowers from her garden. Each flower has 8 petals.
Draw and label a tape diagram to show how many petals
there are in total.

In total there are 32 petals,

Explanation:
Given Grace picks 4 flowers from her garden and each
flower has 8 petals. Drawn and labeled a tape diagram as
shown above total number of petals are 4 X 8 = 32 petals
are there in total.

Question 4.
Michael counts 8 chairs in his dining room. Each chair has 4 legs.
How many chair legs are there altogether?

There are 32 chair legs altogether,

Explanation:
Given Michael counts 8 chairs in his dining room and each
chair has 4 legs, So number of chair legs altogether are
8 X 4 = 32, therefore, there are 32 chair legs altogether.

### Eureka Math Grade 3 Module 1 Lesson 15 Exit Ticket Answer Key

Draw and label 2 tape diagrams to show that 4 × 3 = 3 × 4.
Use your diagrams to explain how you know the statement is true.

Shown 4 X 3 = 3 X 4 as
4 cups X 3 cups = 12 cups,
3 cups x 4 cups = 12 cups,

Explanation:
Drawn and labeled 2 tape diagrams to show that 4 × 3 = 3 × 4
Used cups to explain the statement is true as
taken 4 boxes of 3 cups each and 3 boxes of
4 cups each so that 4 X 3 = 3 X 4,
both results values are same 12.

### Eureka Math Grade 3 Module 1 Lesson 15 Homework Answer Key

Question 1.
Label the tape diagrams and complete the equations.
Then, draw an array to represent the problems.

Explanation:
Labeled the tape diagrams and completed the equations as
4 X 3 = 12, 3 x 4 = 12 and drawn an array of  4 x 3 to represent the problems
as shown above in the picture.

Explanation:
Labeled the tape diagrams and completed the equations as
4 X 9 = 36, 9 x 4 = 36 and drawn an array of  4 X 9, 9 X 4 to
represent the problems as shown above in the picture.

Explanation:
Labeled the tape diagrams and completed the equations as
6 X 4 = 24, 4 x 6 = 24 and drawn an array of  6 X 4, 4 X 6 to
represent the problems as shown above in the picture.

Question 2.
Seven clowns hold 4 balloons each at the fair.
Draw and label a tape diagram to show the total
number of balloons the clowns hold.

The total number of balloons the clowns hold are 28,

Explanation:
Given seven clowns hold 4 balloons each at the fair.
Drawn and labeled a tape diagram to show the total
number of balloons the clowns hold as 7 X 4 = 28 balloons.

Question 3.
George swims 7 laps in the pool each day.
How many laps does George swim after 4 days?

George swims 28 laps after 4 days.

Explanation:
Given George swims 7 laps in the pool each day,
So number of laps George swims after 4 days are
7 X 4 =28 laps.