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Foundations · Level 3

Multiplication

Tables, rows of mangoes, and 2-digit × 1-digit.

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The idea

Break a big number into easy parts, multiply each part, then add.

14 in each row6
14 in each row6

Look: 6 rows of 14, split after 10 columns: 60 on the left, 24 on the right. 84 in all.

✏️ Your turn!

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  1. 13 × 12 = ?

  2. 25 × 16 = ?

  3. 37 × 15 = ?

! Careful!

  • ✗Multiplying only the 20 and forgetting the 3.

    ✓Multiply every part, then add.

  • ✗Forgetting the carried ten.

    ✓4 × 3 = 12 makes a ten to carry.

See the whole lesson on one page

Break a big number into easy parts, multiply each part, then add.

To do 6 × 14, split 14 into 10 and 4. 6 × 10 = 60. 6 × 4 = 24. Add them: 84.

Think of it like thisA chocolate bar is 6 rows of 14 pieces. Snap it into a 6 × 10 part and a 6 × 4 part. Count each part, then add.

Product
The answer to a times sum.
14 in each row6
14 in each row6
6 rows of 14, split after 10 columns: 60 on the left, 24 on the right. 84 in all.

Solved together

Question

A packet has 23 biscuits. How many in 4 packets?

  1. Split 23 into 20 and 3.

    23 = 20 + 3
  2. Multiply each part by 4.

    4 × 20 = 804 × 3 = 12
  3. Add the parts.

    80 + 12 = 92
    1324×29

Answer4 × 23 = 92 biscuits.

Now practise it

Kanakku makes new questions on multiplication every time. It shows the working and gives a hint when you are stuck.

Play and practise