Compare and order lengths | Maths | Quizalize & Oak National Academy

Starter quiz

Order the lengths using < > or = 12 m ___ 20 m

< ✓

>

=
Order the unit of lengths using < > or = metres ___ centimetres

<

> ✓

=
Which standard unit of measure would be used for the height of a van?

centimetres

metres ✓
This crayon is ______ cm long.

'8' ✓
The wardrobe is ______ metres tall.

'2' ✓
Alex threw the ball 5 __________.

centimetres

metres ✓

Exit quiz

Complete the sentence. 48 metres is __________ 48 centimetres.

shorter than

the same as

longer than ✓
Which length is longer? Use < or > to compare. 15 cm ___ 13 cm

<

> ✓

=
Compare the lengths using < > or = 17 m ___ 71 m

< ✓

>

=
Order the lengths using < or > 63 cm ___ 36 cm

<

> ✓
An ash tree is 22 m tall. A silver birch tree is 17 m tall. An oak tree is shorter than the ash tree but taller than the silver birch tree. How tall could the oak tree be?

24 m

19 m ✓

21 m ✓

17 m
Look at how far each of the children could kick a football. Order the children, starting with the one who kicked their ball the shortest distance.

1

⇔

Sam

2

⇔

Andeep

3

⇔

Laura

Worksheet

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Presentation

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Video

Lesson Details

Key learning points

When the units are the same, you can compare lengths in the same way as we compare 2-digit numbers.
When the units are the same, you can order lengths in the same way as we order 2-digit numbers.
When the units are different and the numbers are the same, you can compare lengths by looking at the unit.

Common misconception

Children may confuse the comparative language of taller, tallest, longer and longest.

Talk about the difference between longest and tallest. Collect examples together and label each object as tallest or longest to support children's understanding.

Keywords

Compare - You compare to find out what is the same and what is different. You can compare numbers to find out if one is greater than or less than another.
Order - You can order numbers from the smallest to the largest or from the largest to the smallest. The order stays the same when you count.