### All Common Core: 2nd Grade Math Resources

## Example Questions

### Example Question #1 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

On Christmas Eve morning, a tree lot had trees left to sell. By the end of the day, they have only trees left. How many did they sell?

**Possible Answers:**

**Correct answer:**

This is a subtraction problem because we want to know how many trees were taken away, or sold, from the total. We take the number of trees they started with, and then subtract the number of trees they have left to find out how many they sold. .

### Example Question #57 : How To Subtract

Spot has a box of treats with bones left. The box started off with treats. How many treats has Spot eaten from the box?

**Possible Answers:**

**Correct answer:**

This is a subtraction problem because we want to know how many of the total treats Spot has eaten. We take the total number of treats and then subtract the number of treats that are left in the box. .

### Example Question #58 : How To Subtract

The baseball team has balls to practice with. There are boys on the team. If they each take a ball, how many balls are left over?

**Possible Answers:**

**Correct answer:**

This is a subtraction problem because we want to know how many balls are left over after each boy takes one. We start with the number of balls and then subtract the number that was taken. .

### Example Question #59 : How To Subtract

Jenny has games. She let her friend use of them for her birthday part. How many does Jenny have left?

**Possible Answers:**

**Correct answer:**

This is a subtraction problem because we want to know how many games Jenny has left after she gives some to her friend. We take the total number of games that Jenny has, and then we subtract the number that she gave to her friend. .

### Example Question #60 : How To Subtract

Sarah got birthday gifts for her birthday. She’s opened of them. How many does she have left to open?

**Possible Answers:**

**Correct answer:**

This is a subtraction problem because we want to know how many gifts she has left to open after she’s already opened some of her gifts. We take the total number of gifts she has, and then we subtract the number of gifts that she’s opened. .

### Example Question #2 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

Matt invited of his friends to a cookout. of his friends did not come. How many of his friends did come to his cookout?

**Possible Answers:**

**Correct answer:**

This is a subtraction problem because we want to find out how many of Matt’s invited friends were able to come to his party. We take the total number of people that were invited, and subtract the number of people that did not come. .

### Example Question #3 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

Ms. Smith’s class has students. of her students are out with the flu today. How many students are in the class today?

**Possible Answers:**

**Correct answer:**

This is a subtraction problem because we want to know how many students in Ms. Smith’s class are in school today out of the total number of students that she has. We take the total number of students and subtract the number of students who are not in school today. .

### Example Question #4 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

Joe has total math problems to complete for homework this week. He wants to get done today. How many will he have left after today?

**Possible Answers:**

**Correct answer:**

This is a subtraction problem because we want to know how many homework problems Joe will have left after he completes some of them. We take the total number of problems that he has and subtract the number that he plans to do tonight. .

### Example Question #5 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

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:**

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 #6 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

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

**Possible Answers:**

**Correct answer:**

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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### All Common Core: 2nd Grade Math Resources

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