### All Common Core: 1st Grade Math Resources

## Example Questions

### Example Question #41 : Representing And Solving Addition And Subtraction Problems

There are girls and boys in Mrs. Ray’s class. How many total students does Mrs. Ray have in her class?

**Possible Answers:**

**Correct answer:**

This is an addition problem because we want to know how many total students there are when we put the boys and the girls together. When we put things together we are adding.

We can start at and count up .

### Example Question #41 : Representing And Solving Addition And Subtraction Problems

For the school play, there are singing parts and talking parts. How many total parts are in the play?

**Possible Answers:**

**Correct answer:**

This is an addition problem because we want to know how many total parts there are when we put the singing and the talking parts together. When we put things together we are adding.

We can start at and count up .

### Example Question #42 : Representing And Solving Addition And Subtraction Problems

We ordered a large pizza and a medium pizza. The large pizza has slices of pizza and the medium pizza has slices of pizza. How many total slices of pizza are there?

**Possible Answers:**

**Correct answer:**

This is an addition problem because we want to know how many total slices of pizza we have when we put the medium pizza slices together with the large pizza slices. When we put things together we are adding.

We can start at and count up .

### Example Question #43 : Representing And Solving Addition And Subtraction Problems

The pet store has tanks for frogs. The first tank has frogs and the second tank has frogs. How many total frogs does the pet store have?

**Possible Answers:**

**Correct answer:**

This is an addition problem because we are putting the frogs in the two tanks together. When we put things together we are adding.

We can start at and count up .

### Example Question #44 : Representing And Solving Addition And Subtraction Problems

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

**Possible Answers:**

**Correct answer:**

This is a subtraction problem because Lisa has alreayd gone to some of the parties that she was invited to, so she has less parties left to go to than she started with this summer.

We can start at and count back .

### Example Question #41 : Addition And Subtraction Within 20 To Solve Word Problems: Ccss.Math.Content.1.Oa.A.1

Tim’s soccer team has boys on the team. of them did not come to practice. How many did come to practice?

**Possible Answers:**

**Correct answer:**

This is a subtraction problem because people did not show up for practice, so there will be less people at practice than if everyone had shown up.

We can start at and count back .

### Example Question #45 : Representing And Solving Addition And Subtraction Problems

Tiffany bought balloons. On the way to the car, blew away. How many does she have left?

**Possible Answers:**

**Correct answer:**

This is a subtraction problem because Tiffany lost balloons so she will have less than what she started with.

We can start at and count back .

### Example Question #46 : Representing And Solving Addition And Subtraction Problems

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 #47 : Representing And Solving Addition And Subtraction Problems

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 #48 : Representing And Solving Addition And Subtraction Problems

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. .