Math Review

Doubles

100

What is 4+4?

8

200

What is 7+7

14

300

What is 9+9

18

400

What is 10+10

20

500

What is 12+12

24

One Step Story Problems

100

A dog has 3 bones. His owner gave him 4 more. How many bones does the dog have now?

7 bones

200

A students has 16 crayons. They lost 9 of the crayons. How many crayons do they have left?

7 crayons

300

There were 18 birds sitting on a bench. 3 more joined them. How many birds are there all together?

21 birds

400

There are 19 turtles sitting on a rock. 11 swam away. How many turtles are left?

8 turtles

500

A kid started with 16 pieces of candy. His brother gave him 10 more pieces. How many pieces of candy does the kid have now?

26 pieces of candy

Two Step Story Problems

100

The class starts with 13 students. 2 students leave early, then one more students join them. How many students are now in the class?

12 students

200

There are 7 birds sitting on a bench. 4 birds fly away. Then, 8 come and sit on the bench. How many birds are now sitting on the bench?

11 birds

300

I have 8 crayons. I gave 2 crayons to my brother. Then, my mom gave me some crayons. Now I have 15 crayons. How many crayons did my mom give me?

9 crayons

400

I have 18 snacks in my cabinet. I gave 9 to students. Then I went and bought 10 snacks. How many are in my cabinet now?

19 snacks

500

I picked 11 big apples and 7 small apples. My sister picked 5 fewer apples than me. How many apples did my sister pick?

13 apples

Mental Strategies to Add

100

Make a double with the equation to find 4+5

4+4=8 then 8+1=9

200

Make a ten to find the equation 8+6

8+2=10 then 10+4=14

300

Make a double to find the equation 8+9=

8+8=16 then 16+1=17

400

Make a ten to solve the equation 9+7=

9+1=10 then 10+6=16

500

Make a double to solve 12+11=

11+11=22 then 22+1=23

Fact Families

100

Make a fact family subtraction sentence for the equation 7+6=13

13-6=7 OR 13-7=6

200

Make an addition sentence for the equation 19-7=12 in the same fact family. 

12+7=19 OR 7+12=19

300

Make equations for the number 5, 8, 13 in the same fact family. 

5+8=13

8+5=13

13-5=8

13-8=5

400

Make equations in the same fact family for the number 11, 5, and 6

5+6=11

6+5=11

11-6=5

11-5=6

500

Make equations in the same fact family for the numbers 11, 12, and 23. 

11+12=23

12+11=23

23-11=12

23-12=11