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Fast Math - Square that Number! in 30 Seconds

In just 30 seconds, answer these randomly-generated squaring problems in your head.
The quiz changes every time you play!
Quiz by Stewart
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Last updated: November 27, 2019
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First submittedNovember 21, 2018
Times taken1,618
Average score50.0%
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Problem
Solution
40 x 40
1600
9 x 9
81
20 x 20
400
2 x 2
4
6 x 6
36
10 x 10
100
50 x 50
2500
24 x 24
576
3 x 3
9
19 x 19
361
45 x 45
2025
27 x 27
729
14 x 14
196
8 x 8
64
28 x 28
784
25 x 25
625
11 x 11
121
26 x 26
676
16 x 16
256
5 x 5
25
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