Easy Peasy
1+7
What is 8?
7x2
What is 14?
300X2
What is 600?
15x3
What is 45?
How many hours are there in a day?
What is 24hours?
5x10
What is 50?
6x3
What is 18?
500-250
What is 250?
22+22
What is 44?
How many days is 72 hours?
What is 3 days?
4x5
What is 20?
42-7
What is 35?
3x9
What is 27?
16x2
What is 32?
24x2
What is 48?
9X8
What is 72?
19+12
What is 31?
400-100
What is 300?
900+900
What is 1800?
1500+1500
What is 3,000?
10x10
What is 100?
8x8
What is 64?
1+5
What is 6?
1000x2
What is 2000?
35+50
What is 85?