1. Number
Middle Years
1.05 Square roots and perfect squares
Interactive practice questions
$7^2$72 is equal to which of the following?
$72$72
A
$7\times7$7×7
B
$2\times2\times2\times2\times2\times2\times2$2×2×2×2×2×2×2
C
$7\times2$7×2
D
Easy
< 1min
Which three of the following numbers are perfect squares?
Easy
< 1min
Evaluate $4^2$42
Easy
< 1min
Evaluate $9^2$92
Easy
< 1min
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