{"id":90010,"date":"2022-03-29T09:47:15","date_gmt":"2022-03-29T04:17:15","guid":{"rendered":"https:\/\/bigideasmathanswers.com\/?p=90010"},"modified":"2022-04-07T14:43:27","modified_gmt":"2022-04-07T09:13:27","slug":"envision-math-common-core-grade-2-answer-key-topic-1","status":"publish","type":"post","link":"https:\/\/bigideasmathanswers.com\/envision-math-common-core-grade-2-answer-key-topic-1\/","title":{"rendered":"enVision Math Common Core Grade 2 Answer Key Topic 1 Fluently Add and Subtract Within 20"},"content":{"rendered":"

Practice with the help of enVision Math Common Core Grade 2 Answer Key<\/a> Topic 1 Fluently Add and Subtract Within 20<\/strong> regularly and improve your accuracy in solving questions.<\/p>\n

enVision Math Common Core 2nd Grade Answers Key Topic 1 Fluently Add and Subtract Within 20<\/h2>\n

Essential Question:<\/strong>
\nWhat are strategies for finding addition and subtraction facts?
\nAnswer:
\nThe Split and Jump strategies are used for finding Addition and Subtraction.
\nExplanation:
\n<\/span>You can\u00a0<\/span>add<\/b>\u00a0or\u00a0<\/span>subtract<\/b> the tens separately to the ones (or units).<\/span>
\n<\/span>For <\/span>example<\/b>, using the\u00a0<\/span>split strategy<\/b>\u00a0to\u00a0<\/span>add<\/b> 46 + 23, you would\u00a0<\/span>split<\/b>\u00a0each number (decompose) into tens and ones: 46 + 23 = 40 + 6 + 20 + 3. rearrange the tens and ones: 40 + 20 + 6 + 3.<\/span><\/p>\n

\n
\n
Jump Strategy,<\/strong> we can also count by 2s or 10s, or make any “jumps” we want to help us solve a calculation.<\/span><\/div>\n<\/div>\n<\/div>\n

\u00a0Using a Number Line or Number Chart. This is a very popular and visual way to help students work out <\/span>subtraction<\/b> problems.
\n\"Jump
\n<\/span><\/p>\n

\"Jump<\/div>\n
<\/div>\n


\n<\/span>
\n\"Envision<\/p>\n

enVision STEM Project: Material Math<\/strong>
\nFind Out Collect different types of paper. Talk about the uses of paper. Tell how strong each type of paper is. Tell how the paper feels. Tell if the paper can soak up water.
\nJournal: Make a Book Show what you find out in a book. In your book, also:<\/p>\n