Position 3-digit numbers on number lines | Maths | Quizalize & Oak National Academy

Starter quiz

What number is represented by the arrow on this section of the number line?

40

50 ✓

60
Which of these are not 3-digit numbers?

599

1,000 ✓

59 ✓

109
What number is 10 less than 150?

'140' ✓
Which number is halfway between 50 and 70?

'60' ✓
Which of these numbers come between 140 and 160?

147 ✓

165

139

154 ✓
What number is Andeep thinking of?

'110' ✓

What number is positioned halfway between 400 and 500?

405

550

415

450 ✓
What number is the arrow pointing to?

'380' ✓
What number is the arrow pointing to?

'780' ✓
Match the numbers to the labels on the number line.

a

⇔

603 ✓

b

⇔

607 ✓

c

⇔

614 ✓

d

⇔

618 ✓
Sofia is thinking of a 10s number that could be represented on this number line. The digits of the number add up to 11. What is the number?

370

371

380 ✓

363
Andeep is thinking of a number that could be represented on this number line. The digits of the number add up to 13. What is the number?

'553' ✓

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Find the previous and next multiple of 10 or 100 to position numbers on a number line.
The halfway steps can be used to help find the 5 or 50 numbers.
Counting in steps of 1, 10 and 100 helps us to position a number on a number line.

Pupils may make errors using the halfway steps between numbers (e.g. wrongly label 374 as 379).

Encourage pupils to find and label the halfway steps (e.g. the 5 or the 50s numbers).

Represent - Represent means showing something, or standing for something.
3-digit number - A 3-digit number represents a number of hundreds, tens and ones.
Position - Position means where something is located.