Free interactive math game: Simple Roots — ex. √64. Part of the Powers & Roots category on MathKite.
Taken from the generator that powers this exercise. A fresh set appears every time the page is opened, and the printable worksheet holds ten of them.
The square root — the number that gives the value when multiplied by itself.
Ask what times itself makes the number. The squares up to 15 are worth knowing by heart.
The square root of 144 is 12, because 12 x 12 = 144.
Halving instead. The square root of 144 is 12, not 72.