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Multiplication methods

There are several ways to multiply, and each method will give you the correct answer as long as you use it correctly. The following videos show you the most common methods.

Standard multiplication

Grid method multiplication

Lattice method multiplication

Activity 11: Multiplying whole numbers

Choose the method you are most comfortable with and use it to calculate the following sums:

  1. 76 × 4

  2. 183 × 6

  3. 42 × 25

  4. 123 × 40

  5. 718 × 21

  6. 249 × 34

  7. 678 × 39

  8. A theatre has 85 rows of seats and there are 48 seats in each row. What is the total number of seats?

  9. A taxi driver travels 250 miles per day. How many miles are travelled in 15 days?

  10. 54 people go on a short coach holiday to the Mourne Mountains. They each pay £199. How much will they pay in total?

Now check your calculations with a calculator before revealing the answers.

Answer

  1. 304
  2. 1 098
  3. 1 050
  4. 4 920
  5. 15 078
  6. 8 466
  7. 26 442
  8. 4 080 seats
  9. 3 750 miles
  10. £10 746 in total
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OpenLearn - Everyday maths 1 (Northern Ireland)
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