Common Core: 2nd Grade Math : Using Subtraction Within 100 to Solve Word Problems

Study concepts, example questions & explanations for Common Core: 2nd Grade Math

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Example Questions

Example Question #11 : Using Subtraction Within 100 To Solve Word Problems

Lisa has  birthday parties to go to this year. She has already gone to  of them. How many parties does she have left to go to this year? 

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because we want to know how many birthday parties Lisa has left to attend this year. We take the total number of parties that she is invited to, and subtract the number of parties that she has already been to.

Example Question #12 : Using Subtraction Within 100 To Solve Word Problems

A large pizza has  slices. If we eat  slices, how many will be left? (9)

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because we want to know how many slices of pizza are left over after we have eaten some of the slices. We start with the number of silces that we started with, and subtract the number of slices that we have eaten. .

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