Addition
2+2
What is 4?
2-1
What is 1?
2x5
What is 10?
6/2
What is 3?
1010
10,000,000,000
10+10
What is 20?
10-7
What is 3?
7x3
What is 21?
10/2
What is 5?
8 x 107
80,000,000
10+15
What is 25?
20-15
What is 5?
10x30
What is 300?
12/6
What is 2?
5x1012
5,000,000,000,000
100+55
What is 155?
100-73
What is 27?
22x3
What is 66?
150/2
What is 75?
1015
1,000,000,000,000,000
134+72
What is 206?
250-40
What is 210?
33x5
What is 165?
250/2
What is 125?
1020
100,000,000,000,000,000,000