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3rd grade · Math · Unit 2 of 14

Multiplication

Equal groups and arrays

What your child practices

Understanding multiplication as equal groups, arrays, repeated addition and skip counting. Easier sets use 2s, 5s and 10s; stretch sets go beyond 5 × 5.

Arizona Academic Standards learning standard: 3.OA.A.1; 3.OA.B.5; 3.OA.C.7 · multiplication as equal groups, properties of multiplication, and multiplying within 100

How we explain it

Children can open this short lesson before they practice.

  1. Multiplying means equal groups.
  2. 3 × 4 means 3 groups of 4.
  3. An array shows the groups as rows and columns.

Example: 4 × 5 = ? That is 4 groups of 5. 5 + 5 + 5 + 5 = 20. Answer: 20

Multiplication in Arizona

In the Arizona Academic Standards, this is unit 2 of 14 in 3rd grade Math, after Add & Subtract and before Division.

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: Arizona 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 2 × 5?

    2 × 5 = ?

    answer box

  2. Question 2

    2 × 5 = 10. So what is 5 × 2?

    5 × 2 = ?

    • 5
    • 12
    • 7
    • 10

  3. Question 3

    Sofia has 4 plates with 2 cookies in each plate. How many cookies in all?

    🍪4 groups of 2

    answer box

  4. Question 4

    A frog makes 2 hops. Each hop is 5 long. Where does it land?

    0515?
    • 10
    • 5
    • 15
    • 7

  5. Question 5

    How many 🍓 are in the array?

    answer box

  6. Question 6

    What is 4 × 4?

    4 × 4 = ?

    • 16
    • 20
    • 12
    • 8

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