doubles to 5
doubles to 20
doubles plus 1
doubles to 30
doubles to 50
100
2
What is 1 + 1?
100
12
What is 6 + 6?
100
15
What is 7 + 8?
100
22
What is 11 + 11?
100
32
What is 16 + 16?
200
3
What is 2 + 2?
200
14
What is 7 + 7?
200
7
What is 3 + 4?
200
24
What is 12 + 12?
200
34
What is 17 + 17?
300
6
What is 3 + 3?
300
16
What is 8 + 8?
300
13
What is 6 + 7?
300
26
What is 13 + 13?
300
36
What is 18 + 18?
400
8
What is 4 + 4?
400
18
What is 9 + 9?
400
19
What is 9 + 10?
400
28
What is 14 + 14?
400
40
What is 20 + 20?
500
10
What is 5 + 5?
500
20
What is 10 + 10?
500
25
What is 12 + 13?
500
30
What is 15 + 15?
500
50
What is 25 + 25?
M
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