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Common Core Lesson

2.OA.2 Second Grade Common Core Lesson

In this 2.OA.2 Second Grade Common Core Lesson, students practice adding and subtracting within 20 and know all sums from memory as quickly as possible!

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About this resource

Description

How to teach Addition

In this 2.OA.2 Second Grade Common Core Lesson, students add and subtract within 20 and know all sums from memory.

Being able to mentally adding and subtracting within 20 will help your students as they encounter higher level math skills. . This lesson is perfect for small group, math centers or independent practice.

Students take turns answering word problem cards using the Draw it! Students shuffle the cards and lay them face down in the center. First, flip over a card so that it is face up. The first player to say out loud the number to make the card equal twenty gets the card. The player who has the most cards is the winner.

Other resources to use with this 2.OA.2 Second Grade Common Core Lesson

If you are using this lesson, your students are probably learning about addition.

Use this Count on Number Line Addition Activity as an additional resource for your students.

Introduce this lesson by using Have Fun Teaching Addition Flashcardsto activate math facts. Then, pass out number cards for students add and subtract. As students work, circulate around the classroom to listen to discussions students have about adding and subtracting quickly. After the activity, share students discussions that you heard to improve mental math skills.

Be sure to check out more Addition Activities and the entire Second Grade Common Core Workbook.

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