Measuring length
Answers are for parents and teachers.
1
Measure 5 things at home in cm: a pencil, a spoon, a key, a rubber and a toothbrush. Write the lengths in a table and then put them in order from the shortest to the longest.
Any correct measurements, each with the unit cm, listed in order from the smallest number to the biggest.
2
Name three things at home that you would measure in metres and three that you would measure in centimetres.
Any sensible answers, such as metres: door, bed, room; centimetres: pencil, spoon, key.
3
Fill in: 2 m = ___ cm, 80 mm = ___ cm, 7 cm = ___ mm.
200 cm, 8 cm and 70 mm.
4
Draw a line 9 cm long and a line 95 mm long. Which one is longer, and by how much?
The 95 mm line is longer. 9 cm is 90 mm, so it is 5 mm longer.
5
A pencil lies on a ruler from 1 to 8. How long is the pencil?
7 cm, because 8 − 1 = 7.