Addition and Subtraction Problems

Facts

100

4+5

9

200

7-2

5

300

What is the related subtraction equation: 

2+7=9

9-7=2 

or

9-2=7

400

What is the related addition sentence?

8-5=3

5+3=8

or 

3+5=8

500

Write the entire fact family for the numbers 

4, 2, 6

6-2=4

6-4=2

2+4=6

4+2=6

What kind?

100

There were four kids on the playground. Two more friends joined them. How many kids are on the playground now?

It is an addition problem.

200

Trisha had 3 ice cream cones. She gave 2 away to her friends. How many ice cream cones does she have now?  

It is a take away problem.

300

Arshi had some cars. Moin gave her 3 cars. Now she has 8 cars. How many cars did she start with?

It is a missing part problem. 

400

Abhay has 9 pencils. Surya has 5 pencils. How many more pencils does Abhay have?

It is a comparing problem. 

500

You have a ten frame with some dots. The question asks how many more to make a ten.

It is a missing parts problem. 

Strategies

100

You can use a part of you to help solve a problem

Your fingers

200

Counting like this to solve: 

5, 6, 7

Counting on

300

Using a tool 

Acting it out

400

You need paper and pencil to use this strategy

Drawing a picture

500

A special line used to help solve math problems

A number line

What's Missing?

100

3+___=7

4

200

Whole is 10

one part is 6

What is the other part?

4

300

You have 8 counters. How many more to make 10?

2

400

The 10 frame has 3 dots. How many more to make 10?

7 more

500

If you have 1 yellow counter and 9 red counters, what would the equation be?

1+9=10

Problem Solving

100

There were 5 students reading books. 2 more students joined them. How many students are reading books?

Answer, label and equation

7 students

5+2=7

200

Amani has 8 stickers. She gave 7 to Jessica. How many stickers does Amani have now? 

Answer, label and equation

1 sticker

8-7=1

300

Tom has 12 science experiments. Kennedy has 7 science experiments. How many more experiments does Tom have than Kennedy? 

Use pictures, equation and label

12-7=5

5 more experiments 

400

Some bees were flying around. 4 more bees joined them. Now there are 8 bees flying around together. How many bees were flying at the beginning? 

Use pictures, equation and label

8-4=4

4 bees

500

Mrs. Strawn brought cookies for everyone in our class. She had 2 extra. The cookie package has 25 cookies in it. How many students were at school that day?

Equation, label and pictures

25-2=23

23 students