Challenging Math Problems
Round 187 and 653 to the nearest 100 and then find the sum.
What is 900
4 + _ = 17
What is 13
9x5
What is 45
11x7+_=83
What is 6
12/3
What is 4
9x9
What is 81
5 x 6
What is 30
6x8
What is 48
12x9
What is 108
12/6
What is 2
72 + 46
What is 118
26 + 46 + _ = 100
What is 28
6x12
What is 72
6x16
What is 96
22/11
What is 2
8 x 6 / 3
What is 16
60 x 60
What is 3,600
50x50
What is 2,500
12x12
What is 144
50/4
What is 12.5
3.14159x2
What is 6.2821018
7 x 8 + 1 / 3
What is 19
11x27
What is 297
13x19
What is 247
84/21
What is 4