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Grade 5 · Math · Unit 11 of 13

Parallel Lines and Quadrilaterals

Sort four-sided shapes

What your child practises

Finding parallel and perpendicular edges and sides, and sorting quadrilaterals (rectangles, squares, trapezoids, parallelograms and rhombuses) by their sides and angles.

Prince Edward Island Curriculum curriculum outcome: SS5; SS6 · parallel and perpendicular lines, and sorting quadrilaterals by their attributes

How we explain it

Children can open this short lesson before they practise.

  1. Parallel lines stay the same distance apart and never meet.
  2. Perpendicular lines meet at a right angle.
  3. Sort quadrilaterals by parallel sides and equal sides.

Example: A quadrilateral has two pairs of parallel sides and four right angles. What could it be? Two pairs of parallel sides: a parallelogram. Four right angles: a rectangle. Answer: A rectangle

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    How many pairs of parallel sides does a parallelogram have?

    • 4
    • 2
    • 1

  2. Question 2

    The hands of a clock at 3:00 are…

    • the same line
    • perpendicular
    • parallel

  3. Question 3

    Which shape is NOT a quadrilateral?

    • a pentagon
    • a square
    • a rhombus

  4. Question 4

    Which pair of lines is parallel?

    • two opposite sides of a ruler
    • the hands of a clock at 3:00
    • two sides of a corner of a wall

  5. Question 5

    A kite has two pairs of equal sides that are…

    • next to each other
    • all the same length
    • opposite each other

  6. Question 6

    Which pair is parallel on a 3-D rectangular prism?

    • the front face and the top face
    • the front and back faces
    • the left face and the bottom face

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