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Adding & Subtracting within 100

Adding & Subtracting within 100

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Author: april yang
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2.OA.1
Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

Portions of these materials have been incorporated under the Fair Use Guidelines and are restricted from further use.

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Tutorial

Practice & Review #1 - Components of a Word Problem - What are they asking for?

Practice & Review #2 - Understanding Even or Odd, and (Un)Equal Parts

Find the Missing Digit - Subtraction and Addition - Why addition?

Place Value - Why is it important?

Practice Word Problems - What are they asking for? What information do they give you?

Addition within 100

Subtraction within 100

Fun Games for when you are finished!

Big Question!

When you have finished, and have played games for 15 minutes, answer the question in your journal. 

Why is understanding a word problem important in addition and subtraction? 

Prompt: Understanding a word problem is important because...