Sums of 10
addition
doubles plus 1
doubles
Subtraction
100
__ + 10 = 10
What is 0?
100

10+5=

What is 15?

100
5 + 6
What is 11?
100

3+ 3

What is 6?

100

10-5=

What is 5?

200
9 + __ = 10
What is 1?
200

17+5=

What is 22?

200
6 + 7
What is 13?
200

8 + 8

What is 16?

200

9 - 4=

What is 5?

300
7 + __ = 10
What is 3?
300

12+4

What is 16?

300
7 + 8
What is 15?
300

7 + 7

What is 14?

300

7-3=

What is 4?

400
5 + __ = 10
What is 5 ?
400

20+4=

What is 24?

400
8 + 9
What is 17?
400

9 + 9

What is 18?

400

20-10=

What is 10?

500
2 + ___ = 10
What is 8?
500

20+10=

What is 30?

500

10 + 9

What is 19?

500

10+ 10

What is 20 ?

500

10-10

What is 0

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