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NumbersSquare Roots of Perfect Squares
Numbers
Square Roots of Perfect Squares
A square of area 0.4: can its side be written as a fraction? Cut the square into cells and find out which areas finish.
PartLearnStop 1 of 8
The question
Can a square of area 0.4 have a side we can write as a fraction?
Think about it
Layla paints a square sign. Its area is 0.4 square metres.
Yousef says each side must be 0.2 metres. Layla is not sure.
Is Yousef right?