EASY
A BIT LESS EASIER
MEDIUM
A BIT MORE HARDER
HARD
100
4*5
What is 20
100
8*4
What is 32
100
8*3
What is 24
100
7*9
What is 63
100
12*12
What is 144
200
4*12
What is 48
200
9*4
What is 36
200
5*6
What is 30
200
7*6
What is 42
200
12*6
What is 72
300
3*12
What is 36
300
9*5
What is 45
300
8*9
What is 72
300
7*8
What is 56
300
12*9
What is 108
400
4*7
What is 28
400
4*6
What is 24
400
8*8
What is 64
400
7*7
What is 49
400
12*8
What is 96
500
6*8
What is 48
500
7*3
What is 21
500
5*12
What is 60
500
7*12
What is 84
500
11*11
What is 121