Lesson 2 of 4 · Grade 7 Mathematics
Squares and square roots
12 min
Squares
The square of a number is the number multiplied by itself: 7² = 7 x 7 = 49.
Perfect squares: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, ...
Square roots
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