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Addition Fact Strategies
Doubles and Near Doubles
Count On and Count Back
Addition & Subtraction Facts
100

Change the order of the addends and solve.

8+6=____

__+__=___

8+6=14

6+8=14

100

Solve each double and near double.

4+4=

4+5=

8

9

100

YOU MUST HAVE A NUMBER LINE!!

12-4=

8

100

SHOW YOUR WORK!

8+8=

16

200

Change the order of the addends and solve.

3+11=____

__+__=___

3+11=14

11+3=14

200

Solve each double and near double.

3+3=

3+4=

6

7

200

YOU MUST HAVE A NUMBER LINE!!

15-6=

9

200

SHOW YOUR WORK!

10+9=

19

300

Change the order of the addends and solve.

9+4=____

__+__=___

9+4=13

4+9=13

300

Solve each double and near double.

8+8=

8+9=

16

17

300

YOU MUST HAVE A NUMBER LINE!!

20-4=

16

300

SHOW YOUR WORK!

19-6=

13

400

Change the order of the addends and solve.

15+9=____

__+__=___

15+9=24

9+15=24

400

Solve each double and near double.

9+9=

9+10=

18

19

400

YOU MUST HAVE A NUMBER LINE!!

18-7=

11

400

SHOW YOUR WORK!

25-6=

19

500

Change the order of the addends and solve.

4+36=____

__+__=___

4+36=40

36+4=40

500

Solve each double and near double.

40+40=

40+41=

80

81

500

YOU MUST HAVE A NUMBER LINE!!

36-9=

27

500

SHOW YOUR WORK!

65-16=

49