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Grade 3

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Parallel, perpendicular, equal

Looking at sides. Part of numbers to 1000.

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Parallel, perpendicular, equal

Looking at sides · Alberta Grade 3 · maddyhelps.com

Name
Date

For each shape write yes or no. Parallel sides stay the same distance apart; perpendicular sides meet at a right angle; equal sides are the same length. A shape can have all three.

Circle

Parallel?
Perpendicular?
Equal sides?

Square

Parallel?
Perpendicular?
Equal sides?

Triangle

Parallel?
Perpendicular?
Equal sides?

Rectangle

Parallel?
Perpendicular?
Equal sides?

Find one of each in this room

Parallel
Perpendicular
Equal

For the grown-up

Parallel, perpendicular, equal

Circle: none of the three — it has no sides. Square: all three. Triangle: the one drawn here is equilateral, so equal sides but no parallel or perpendicular ones. Rectangle: parallel and perpendicular, and equal opposite sides but not all four.

A corner of the page is a right angle and can be held against a shape to test it. That is worth more than any definition.

Why this matters is on the numbers to 1000 page. More sheets