Maths lesson · Multiplication and division

How to multiply with equal groups

Make groups of the same size, then count them by skip counting.

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Step 5 of 53 groups of 4 make 12, so 3 × 4 = 12. 3 groups of 4 made, out of 3.
3 groups of 4 make 12, so 3 × 4 = 12.

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How to work it out · Equal groups

3 × 4

5 steps

  1. Step 13 × 4 means 3 groups of 4. Put 4 dots in each group.
  2. Step 21 group of 4: 4.
  3. Step 32 groups of 4. Skip count by 4s: 4, 8.
  4. Step 43 groups of 4. Skip count by 4s: 4, 8, 12.
  5. Step 53 groups of 4 make 12, so 3 × 4 = 12.

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About this lesson

Multiplication starts with equal groups: 3 × 4 means 3 groups with 4 in each. Your child makes the groups one at a time and skip counts the total: 4, 8, 12. An array sets the same groups out in rows, which shows why 3 × 4 and 4 × 3 make the same number.

What your child learns

  • Use arrays of rows and columns to show multiplication.

Australia · Year 2: Australian Curriculum v9 · AC9M2N05

Practise equal groups

Printable practice for this lesson is on its way, in packs and for members.

  • Equal groups practice packEvery level, new numbers any time, with answer keys.Coming soon