Make a 10
Adding 3 Addends
Doubles
Related Facts
Word Problems
100
8 + 3 =

8 + 2 + 1 = 11

100

0 + 8 + 2 =

10

100

1 + 1 =

2

100

2 + 3 = 5

5- 2 = ?

3
100

There are 8 birds in a tree. 6 birds fly away. How many birds are still in the tree?

2 birds are still in the tree. 

8 - 6  = 2

200

2 + 9 = 

1 + 1 + 9 = 11

200

7 + 7 + 2 =

16

200

4 + 4 =

8

200

3 + 8 = 11

11 - 8 = ?

3

200

Anirudh ate 9 cookies for breakfast and 7 cookies for lunch. How many cookies did he eat in all?

16 cookies

9 + 7 = 16

300

7 + 5 =

7 + 3 + 2 = 12

300

6 + 4 + 4 =

14

300

8 + 8 =

16

300

20 + 0 = 20

20 - 20 = ?

0

300

Noelle has a bag of 7 pears and bag of 6 pears. Her family eats 5 pears, How many pears does she have now?

Noelle has 8 pears now.

7 + 6 = 13

13 - 5 = 8

400

9 + 8 =

9 + 1 + 7 = 17

400

9 + 7 + 4 =

20

400

9 + 9 =

18

400

35 + 15 = 50

50 - 15 = ?

35

400

Matthew has 16 blue race cars and 9 red cars. How many more blue cars than red cars does he have?

Matthew has 7 more blue cars than red cars. 

16 - 9 = 7

500

There are 5 bees in a hive. 8 more bees come to the hive. How many bees are there in all?

5 +  8 +

3 + 2 + 8 = 13 Bees

500

Walid, Nora, and David L. eat 15 raisins in all. Walid and Nora each eat 4 raisins. How many raisins does David L. eat?

David eats 7 raisins. 

Walid and Nora = 4 + 4 = 8

15-8 = 7

500

Cooper is thinking of a doubles fact. It has a sum that is greater than the sum of 6 + 4 but less than the sum of 8 + 5. What doubles is Cooper thinking of?

6 + 6 =12

Because:

6 + 4 = 10

8 + 5 = 13

500

120 + 30 = 150

150 - 120 = ?

30

500

Connor has 14 Dogman books. He gave 6 books Damir. How many books does Connor have now?

Connor has 8 Dogman books.


14 - 6 = 8