1. Match up the following objects with the list of likely lengths:

a. 75 cm
b. 15 cm
c. 8 mm
d. 2 m
e. 40 cm
f. 1 m

2. a. Draw a rectangle with sides of 5 cm and 3 cm and measure, to the nearest millimetre ,with a ruler, the length of the diagonal.

b. Draw a square of side 3 cm and measure the length of the diagonal. Give the answer in cm.

3. Which units would you use to measure the following lengths?

a. The width of a road.
b. The distance between two towns
c. The length of a small bird.
d. The thickness of a one dollar coin

4. Convert each of the following measurements to the units given in brackets

a. 6 cm
(mm)
b. 8 km
(m)
c. 12mm
(cm)
d. 23 cm
(m)
e. 234 mm
(cm)
f. 3.4 km
(m)
g. 44m
(mm)
h. 1203 m
(km)
i. 324 mm
(m)
j. 39 km
(mm)

 

5. Add together the following lengths and give the answer in the units given in brackets.

a. 5 m, 34 cm (cm)
b. 40 mm, 8 cm (mm)
c. 2 km, 560 m (m)
d. 4500 m, 1.2 km (km)
e. 0.4 km, 532 m, 30 cm, 400 mm (m)