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📐 Mathematics - Class 7
Lesson 12 · Whole Numbers

Squares and Square Roots

MathematicsSubject
14 minEstimated read
Activity 12.1

Build the square numbers with counters and find the pattern in the gaps

What you needAbout sixty small counters: pebbles, seeds, bottle tops, or squared paper.
MethodBuild a 1 by 1 square, then 2 by 2, then 3 by 3 up to 7 by 7. Each time ADD to the square you already have, and count how many you had to add.
Where to lookWatch the SHAPE of what you add: a strip down one side, a strip along the top, and one counter in the corner.
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