Doubles
What is 2?
2 x 2
What is 4?
5+7
What is 12?
30 - 6
What is 24?
20+20
What is 40?
3 x 3
What is 9?
6 + 9
What is 15?
24 - 6
What is 18?
300+300
What is 600?
4 x 4
What is 16?
13 + 4
What is 15?
18 - 6
What is 12?
40,000 + 40,000
What is 80,000?
5 x 5
What is 25?
12+13
What is 25?
12 - 6
What is 6
35 + 35
What is 70?
6 x 6
What is 36?
100 + 5000
What is 5100?
500 - 5
What is 495?