1-1: Addition Fact Strategies
1-2: Doubles and Near Doubles
1-4: Addition Fact Patterns
1-5: Count on and Count Back to Subtract
1-8: Practice Addition and Subtraction Facts
100

Count on to find the sum. Then change the order of the addends. 


3 + 4 = ______

_____ + ______ = _____

3+4=7

4+3=7

100

1+7=

1+8=

8

9

100

10+___=12

A. 1

B. 2

C. 4

D. 0

B. 2

100

11-4=____

A. 1

B. 10

C. 7

D. 3

C. 7

100

14-7=____

A. 7

B. 14

C. 21

D. 2

A. 7

200

Which shows a way to count on to find 8 + 3? 

A. 1, 2, 3, 4, 5, 6, 7, 8 

B. 8 − 3 

C. 8 . . . 9, 10, 11 

D. 8 . . . 9, 10

C. 8 . . . 9, 10, 11

200

10+5=

10+7=

15

17

200

____+5=15

A. 0

B. 5

C. 7

D. 10

D. 10

200

9-7=____

A. 2

B. 3

C. 1

D. 0

A. 2

200

15-7=______

A. 7

B. 8

C. 9

D. 10

B. 8

300

Count on to find the sum. Then change the order of the addends. 


7 + 6 = ______

_____ + ______ = _____

7+6=13

6+7=13

300

7+7=

7+9=

14

16

300

8+_____=17

A. 9

B. 8

C. 10

D. 7

A. 9

300

Javi had 18 stickers. He gave 10 stickers to Kaison. How many stickers does Javi have left?

A. 10

B. 18

C. 8

D. 28

C. 8

300

Paola saw 5 frogs on a rock. She also saw 7 frogs in the grass. How many frogs did Paola see in all?

A. 5+7=12

B. 5+5+7=17

C.  6+10= 16

D. 4+9=13

A. 5+7=12