Grade 2 · Math · Unit 7 of 10
Measuring
Centimetres and metres
What your child practises
Measuring with a ruler from zero and choosing between centimetres and metres.
Yukon Curriculum learning standard: Direct linear measurement, using standard units (centimetres, metres)
How we explain it
Children can open this short lesson before they practise.
- Centimetres (cm) measure short lengths.
- Metres (m) measure long lengths.
- Line up the 0 on the ruler with one end.
Example: Would you measure a pencil in cm or m? A pencil is short. Short things use centimetres. Answer: cm
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
Would you measure a crayon in centimetres or metres?
🖍️- centimetres
- metres
centimetres
Hint: Small things: centimetres (cm). Big things: metres (m). 1 metre is 100 centimetres.
Question 2
How long is the key?
🔑0123456789101112131415cm- 8 cm
- 9 cm
- 6 cm
8 cm
Hint: Start at 0. Count the centimetres to the end of the key.
Question 3
How long is the spoon?
🥄0123456789101112131415cm- 5 cm
- 10 cm
- 4 cm
4 cm
Hint: Start at 0. Count the centimetres to the end of the spoon.
Question 4
Would you measure a book in centimetres or metres?
📕- metres
- centimetres
centimetres
Hint: Small things: centimetres (cm). Big things: metres (m). 1 metre is 100 centimetres.
Question 5
How long is the caterpillar?
🐛0123456789101112131415cm- 7 cm
- 11 cm
- 6 cm
6 cm
Hint: Start at 0. Count the centimetres to the end of the caterpillar.
Question 6
Would you measure a playground in centimetres or metres?
🛝- metres
- centimetres
metres
Hint: Small things: centimetres (cm). Big things: metres (m). 1 metre is 100 centimetres.