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Year 2 · Shapes & Geometry

Count right angles

A right angle is a square corner, 90°, like the corner of a page.

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How to do it

  1. Check each corner with the corner of a card or ruler.
  2. Count the ones that fit exactly.

Worked example

A rectangle
All four corners are square
4 right angles

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A corner can be smaller or bigger than a right angle.

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