# Consolidating multiplication and division knowledge (Part 1)

## Lesson details

### Key learning points

1. In this lesson, we will revisit arrays and bar models as ways of representing multiplication, as well as solving questions involving inverse operations and commutativity.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
A product is
the result of numbers added together
Correct answer: the result of numbers multiplied
the result of numbers subtracted
Q2.
A factor is
a number you can add a zero to
a number you can add to make another number
Correct answer: a number you can multiply to make another number
Q3.
6 is a factor of 24
False
Q4.
21 is the product of 7 and 4
true
Q5.
Which of these is NOT a factor of 20?
2
4
5

## Exit quiz

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### 5 Questions

Q1.
What calculation could this array show?
4 x 3
6 x 2
8 x 8
Q2.
What is the inverse calculation for 12 ÷ 2 = 6
12 x 2 = 24
2 x 2 = 4
Correct answer: 2 x 6 = 12
6 ÷ 3 = 2
Q3.
What calculation could this bar-model show?
16 + 4
16 x 4
4 x 2 =
Q4.
12 x ? = 48
12
3