Explain the relationship between adjacent multiples of 5 | Maths

Starter quiz

Aisha is counting back in 5s: 60, 55, 50, ______ What multiple of 5 comes next?

'45' ✓
Select the different ways of saying 55

10 groups of 5

11 groups of 5 ✓

5, 11 times ✓

5 times 11 ✓

5 times 5
Complete: 6 fives are __

25

30 ✓

35

36
How many ones Base 10 blocks are there altogether?

'50' ✓
There are 9 packs of pencils. Each holds 5 pencils. Select the correct multiplication expression which represents this.

9 × 9

5 × 5

9 × 5 ✓

5 × 6
There are 5 pencils in each pack. If there are 45 pencils altogether, how many packs of pencils are there?

'9' ✓

Exit quiz

Look at the number sequence: ___, 25, 30 To find the previous multiple of 5 you must ________ 5

add

subtract ✓

multiply
Look at the number sequence: 45, 50, ___ To find the next multiple of 5 you must ________ 5

add ✓

subtract

multiply
The next multiple of 5 from 40 is: 40, ______

'45' ✓
Pencils come in packs of 5 What is the missing multiple from the table?

'55' ✓
Look at the representation below. Select the correct equation which shows this.

3 × 5 = 3 × 5 − 5

3 × 5 = 3 × 5 + 5

4 × 5 = 4 × 5 + 5

4 × 5 = 3 × 5 + 5 ✓
Look at the representation below. Select the correct equation which shows this.

4 × 5 = 3 × 5 − 5

4 × 5 = 4 × 5 + 5

4 × 5 = 5 × 5 − 5 ✓

4 × 5 = 5 × 5 + 5

Worksheet

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Lesson Details

Key learning points

Adjacent multiples of 5 have a difference of 5
If you add 5 to a multiple of 5 you get the next multiple of 5
If you subtract 5 from a multiple of 5 you get the previous multiple of 5

Common misconception

Pupils may not understand the keyword adjacent and have difficulty understanding the word problems.

Model correct usage in a range of contexts including labelling abstract equations and using the term to identify the known elements in worded problems. Take time to show adjacent on number lines connecting to addition and subtraction of equal groups.

Keywords

Previous - Occurring before in time or order.
Next - Occurring after in time or order.
Multiple - A multiple is the result of multiplying a number by another whole number.