GradeMap

Grade 2 · Math · Unit 10 of 14

Shapes & Symmetry

Sides, symmetry and congruent shapes

What your child practises

Counting sides and right angles, finding lines of symmetry, putting shapes together and apart, and knowing when two shapes match exactly.

Ontario Curriculum expectation: E1.1–E1.3 · sorting 2D shapes by sides and symmetry, putting shapes together, and congruent shapes

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 lines of symmetry does this shape have?

    • 1
    • 5
    • 2
    Show answer

    2

    Hint: A line of symmetry cuts a shape into two halves that match exactly when folded.

  2. Question 2

    How many square corners (right angles) does a square have?

    • 1
    • 4
    • 2
    Show answer

    4

    Hint: Squares and rectangles have 4 corners that look like the corner of a book.

  3. Question 3

    You cut a rectangle into two pieces and slide them into a new shape. Does the area change?

    ✂️
    • yes, it gets bigger
    • no, it stays the same
    Show answer

    no, it stays the same

    Hint: The same pieces cover the same space, even in a new arrangement.

  4. Question 4

    You trace a rectangle and cut out the tracing. Is the tracing congruent to the rectangle?

    ✂️
    • yes
    • no
    Show answer

    yes

    Hint: It matches exactly, so it is congruent.

  5. Question 5

    What is this shape called?

    • parallelogram
    • hexagon
    • rectangle
    • rhombus
    Show answer

    rhombus

    Hint: This shape has 4 sides.

  6. Question 6

    How many sides does this shape have?

    • 4
    • 8
    • 5
    Show answer

    4

    Hint: Touch each straight side as you count.

More Grade 2