Estimate in metres and describe a metre in different ways | Maths

Starter quiz

Look at the picture. Which is taller, the elephant or the giraffe?

elephant

giraffe ✓
Look at the picture. Which is longer, the blue ribbon or the yellow ribbon?

blue ribbon ✓

yellow ribbon
Match the calculations to their answer.

2 x 10 =

⇔

20 ✓

5 x 10 =

⇔

50 ✓

9 x 10 =

⇔

90 ✓

4 x 10 =

⇔

40 ✓

7 x 10

⇔

70 ✓
How many tens are there in 60?

'6' ✓
How many tens are there in 100?

'10' ✓
Look at the picture. Which car has travelled the furthest?

The blue car.

The red car. ✓

The green car.

A given value, number or quantity that is near to the true amount is known as ______

a metre

a centimetre

an estimate ✓
Which of these would you use metres to measure the height or length of?

Length of a pen.

Height of a tree. ✓

Height of a toy car.

Length of a banana.
How many centimetres are there in one metre?

1

10

100 ✓
I have a piece of ribbon that is 70 cm long. Is this ribbon shorter or longer than one metre?

Longer

Shorter ✓
How many 10 cm lengths will we get if we cut a 60 cm piece of ribbon up into 10 cm lengths?

'6' ✓
A whole length of string has been cut into 3 equal pieces and each of those pieces is 10 cm. What length is the whole piece of string?

'30 cm' ✓

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The length or height of an object can be estimated using the standardised unit of metres.
One hundred, 1 cm lengths are the same as 1 m.
Ten, 10 cm lengths are the same as 100 cm, which is the same as 1 m.

100 cm is bigger than 1 m.

1 m is equal in length or height to 100 cm. 100 cm make up 1 m. They are the same length or height.

Estimate - An estimate is a given value, number or quantity that is near to the true amount.
Metre - A metre is a standardised unit of measurement. We can abbreviate metre to m.
Centimetre - A centimetre is a standardised unit of measurement. We can abbreviate centimetre to cm.