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Using Doubles to Add
Related Facts
Adding 3 Numbers
Making a Ten to Add
Subtracting
100

1+2= ?

1+1= 2 +1=3

100

Write a related addition fact for 2+3=5

3+2=5

100

1+2+1=

4

100

9+2= ? 

9+1=10+1=11

100

4-1= ?

3

200

4+5= ?

4+4=8+1=9

200

Write a related addition fact for 6+3=9

3+6=9

200

3+5+4=

12

200

7+6= ?

7+3=10+3=13

200

6-2= ?

4

300

7+8= ?

7+7=14+1=15

300

Write a related subtraction fact for 5+6=11

11-6=5 or 11-5=6

300

6+4+5=

15

300

5+9=

5+5=10+4=14

300

11-5= ?

6

400

12+10= ?

10+10=20+2=22

400

Write all 3 other related facts for 7+9=16

9+7=16
16-9=7

16-7=9

400

10+5+4=

19

400

7+8= ? 

7+3=10+5=15

400

16-9= ?

7