Addition
10+10
What is 20?
100-10
What is 90?
10x10
What is 100?
50/10
What is 5?
103
What is 1,000?
20+10
What is 30?
200-40
What is 160?
20x4
What is 80?
100/10
What is 10?
62
What is 36?
30+15
What is 45?
300-250
What is 50?
30x7
What is 210?
250/100
What is 2.5?
37
What is 2,187?
40+100
What is 140?
400-120
What is 280?
40x10
What is 400?
400/25
What is 16?
48
What is 65,536?
50+115
What is 165?
500-150
What is 350?
50x250
What is 12,500?
500/40
What is 12.5?
55
What is 3,125?