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Year 2 Measurements - Units
Temperatures are measured in oC (Celsius) or sometimes in oF (Fahrenheit).

Year 2 Measurements - Units

Pick the best unit. Use cm or m for length, g or kg for mass, ml or l for capacity, and °C for temperature.

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Fascinating Fact:

Pick the right unit. Length uses cm or m, mass uses g or kg, capacity uses ml or l, temperature uses °C.

In KS1 Maths, pupils choose sensible units to measure everyday things and read simple scales. They estimate first, then measure carefully to compare sizes and solve real problems.

  • Unit: A standard amount for measuring, such as cm, g, ml, or °C.
  • Estimate: A sensible guess before you measure for real.
  • Convert: To change between related units, such as 100 cm equals 1 m.

Try a quick practice: Measurement Game to boost your estimating and scale-reading skills.

Which units do I use for length, mass, capacity, and temperature in KS1?

Use cm or m for length, g or kg for mass, ml or l for capacity, and degrees Celsius (°C) for temperature.

How do I choose the best measuring unit in Year 2?

Pick the unit that fits the size of the thing. Small items use cm, g, and ml. Big items use m, kg, and l.

What does 100 cm equal in metres for KS1?

100 cm equals 1 m. That means a 100 cm ribbon and a 1 m ribbon are the same length.

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Question 1
Which unit would we use to measure the weight of the cow?
Kilograms
Centimetres
Litres
Metres
A cow weighs more than 500kg!
Question 2
Which unit would we use to measure the temperature on the island?
Litres
Centimetres
oC
Grams
Temperatures are measured in degrees
Question 3
Which unit would we use to measure the amount of water in the bath?
Litres
Centimetres
Grams
Kilometres
Litres are useful for larger amounts of liquid
Question 4
Which unit would we use to measure how much water the boy will put in the pool?
Litres
Grams
Metres
Millilitres
There will be about 100 litres in the pool
Question 5
What units could we use to measure his height?
Kilometres and metres
Litres and millilitres
Kilograms and grams
Metres and centimetres
He might be just over a metre tall so we'd need to use centimetres too
Question 6
Which unit would we use to measure how much juice is in the glass?
Litres
Millilitres
Centimetres
Grams
The juice is less than a litre so we would use millilitres
Question 7
Which unit would we use to measure the height of a tall building?
Kilograms
Millimetres
Centimetres
Metres
Some tall buildings can be hundreds of metres tall!
Question 8
Which unit would we use to measure the length of the book?
Centimetres
Metres
Millilitres
Grams
The book is about 40cm long
Question 9
Which unit would we use to measure one of the tomatoes' weight?
Kilograms
Grams
Millimetres
Litres
Kilograms wouldn't be any use as the tomato wouldn't be heavy enough
Question 10
Which unit would we use to measure the length of the caterpillar?
Metres
Centimetres
Litres
Grams
This caterpillar is about 7 or 8 centimetres long
Author:  Angela Smith (Primary School Teacher & KS1 Quiz Writer)

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