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Explain the relationship between adjacent multiples of eight

Lesson details

Learning outcome

I can explain the relationship between adjacent multiples of eight.

Key learning points

  1. Adjacent multiples of 8 have a difference of 8
  2. If you add 8 to a multiple of 8 I get the next multiple of 8
  3. If you subtract 8 from a multiple of 8 you get the previous multiple of 8

Keywords

  • Adjacent - Adjacent means next to each other.

  • Multiple - A multiple is the result of multiplying a number by another whole number.

Common misconception

Pupils may not understand the key term 'adjacent,' and have difficult understanding the word problems.

Model correct usage in a range of contexts including labelling abstract equations and using the terms to identify the known elements in worded problems.

Teacher tip

The focus of this lesson is using knowledge of multiples of eight, and connecting this to adjacent multiples. Chorally rehearsing the 8 times tables at any given opportunity and playing games to support fluency.

Licence

This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0
except where otherwise stated. See Oak's terms & conditions
(Collection 2).

Lesson video

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Prior knowledge starter quiz

6 Questions

Q1.
Starting from 40, complete the missing multiples of 8 on this number line in the correct order.

An image in a quiz
1 - 48
2 - 56
3 - 64
4 - 72
5 - 80

Q2.
In each of the sequences, which multiple of 8 will come next?

Correct Answer:16 24 ,32

32

Correct Answer:40 48 ,56

56

Correct Answer:24 32 ,40

40

Correct Answer:24 16 ,8

8

Correct Answer:32 24 ,16

16

Q3.
Which of these numbers are not multiples of 8?

32
Correct answer: 38
24
Correct answer: 28
Correct answer: 18

Q4.
Product = × factor.

Correct Answer: factor, Factor, FACTOR

Q5.
Look at the image. What is the total number of legs? legs.

An image in a quiz
Correct Answer: 64, 64 legs

Q6.
Imagine seven octagon shapes. What is the total number of sides for all of the shapes? sides.

Correct Answer: 56, 56 sides

6 Questions

Q1.
Adjacent multiples of 8 can be found by increasing or decreasing a multiple by .

Correct Answer: 8, eight

Q2.
40 is a multiple of 8. Which multiples of 8 are adjacent to 40?

An image in a quiz
34
Correct answer: 32
50
Correct answer: 48
47

Q3.
Which mixed operation equation can be used to calculate the missing multiple of 8?

An image in a quiz
Correct answer: 5 × 8 − 8
4 groups of 8
Correct answer: 3 × 8 + 8
8 x 4

Q4.
Match the products to the correct mixed operation equation.

Correct Answer:16 =,1 x 8 + 8

1 x 8 + 8

Correct Answer:24 = ,2 x 8 + 8

2 x 8 + 8

Correct Answer:32 =,3 x 8 + 8

3 x 8 + 8

Correct Answer:40 = ,4 × 8 + 8

4 × 8 + 8

Q5.
Here is part of the 8 times table grid. What could Izzy do to find 13 × 8 quickly?

An image in a quiz
Correct answer: 12 x 8 + 8
Count in eights from zero
Correct answer: Increase 96 by 8

Q6.
Using your knowledge of groups, order the expressions starting with the greatest multiple.

1 - 7 × 8
2 - 8 × 6
3 - 5 × 8
4 - 8 × 3

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