GradeMap

Grade 2 · Math · Unit 4 of 14

Balance It

Make both sides equal

What your child practises

Finding the unknown number that makes both sides of an equation equal, using symbols for unknowns, and spotting number patterns.

Ontario Curriculum expectation: C1.4, C2.1–C2.3 · symbols as unknown numbers, equal expressions and number patterns

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

    Look at the pattern: 16, 18, 20, 22, ?. What number comes next?

    • 30
    • 28
    • 24
    Show answer

    24

    Hint: Each number is 2 more than the last.

  2. Question 2

    What number makes both sides equal?

    43 + 46 = 79 +

    • 10
    • 4
    • 16
    Show answer

    10

    Hint: The left side is 89. What do you add to 79 to get 89?

  3. Question 3

    Which is equal to 98?

    • 57 + 40
    • 72 + 27
    • 57 + 41
    Show answer

    57 + 41

    Hint: Add each choice. Only one makes 98.

  4. Question 4

    What number makes both sides equal?

    35 + 18 = 15 +

    • 35
    • 36
    • 38
    Show answer

    38

    Hint: The left side is 53. What do you add to 15 to get 53?

  5. Question 5

    In ★ + 8 = 16, what number does ★ stand for?

    • 10
    • 2
    • 8
    Show answer

    8

    Hint: A symbol can stand for a number we don't know yet. What goes with 8 to make 16?

  6. Question 6

    In ★ + 9 = 12, what number does ★ stand for?

    • 9
    • 8
    • 3
    Show answer

    3

    Hint: A symbol can stand for a number we don't know yet. What goes with 9 to make 12?

More Grade 2