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3rd grade · Math · Unit 3 of 14

Division

Sharing and grouping

What your child practices

Understanding division as sharing fairly and as making equal groups, and using multiplication facts to divide (3 × 4 = 12, so 12 ÷ 3 = 4).

Maine Learning Results learning standard: 3.OA.A.2; 3.OA.B.6; 3.OA.C.7 · division as sharing into equal groups and as an unknown factor, and dividing within 100

How we explain it

Children can open this short lesson before they practice.

  1. Dividing shares things equally or makes equal groups.
  2. Think of the multiplication fact that goes with it.
  3. Ask: what times the divisor makes the number?

Example: 20 ÷ 4 = ? What times 4 makes 20? 4 × 5 = 20. Answer: 5

Division in Maine

In the Maine Learning Results, this is unit 3 of 14 in 3rd grade Math, after Multiplication and before Fractions.

Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.

Source: Maine Department of Education

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

    What is 15 ÷ 3?

    15 ÷ 3 = ?

    answer box

  2. Question 2

    Which number sentence matches the story?

    20 flowers are shared equally into 5 vases.

    How many go in each vase?

    • 20 + 5
    • 20 − 5
    • 20 × 5
    • 20 ÷ 5

  3. Question 3

    These 8 🍪 are in 4 equal rows. How many are in each row?

    answer box

  4. Question 4

    There are 20 stickers. Each page gets 5. How many pages are needed?

    • 3
    • 5
    • 6
    • 4

  5. Question 5

    2 × 5 = 10. So what is 10 ÷ 2?

    10 ÷ 2 = ?

    • 5
    • 4
    • 6
    • 2

  6. Question 6

    What number goes in the box?

    4 × = 16

    • 4
    • 3
    • 12
    • 5

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