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Operator Challenge

Operator Fill 20

20 problems in a row. Go for it!

Progress
1234567891011121314151617181920
Time00:00.00
Mistakes0
Problem 15 □ 8 = 13
Problem 218 □ 7 = 11
Problem 39 □ 6 = 54
Problem 416 □ 4 = 4
Problem 512 □ 8 = 20
Problem 620 □ 9 = 11
Problem 77 □ 8 = 56
Problem 818 □ 3 = 6
Problem 1017 □ 5 = 12
Problem 116 □ 7 = 42
Problem 1220 □ 5 = 4
Problem 1313 □ 6 = 19
Problem 1419 □ 8 = 11
Problem 158 □ 4 = 32
Problem 1615 □ 3 = 5
Problem 1716 □ 7 = 23
Problem 1814 □ 5 = 9
Problem 198 □ 9 = 72
Problem 2012 □ 4 = 3

Choose the arithmetic operator that makes each equation correct. Each mistake adds 3 seconds to your time.

Choose how many problems you want to challenge, then click Start. The game begins after the countdown!Choose how many problems you want to challenge, then tap Start. The game begins after the countdown!

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