1. Which units would you use to measure the following lengths?
a. The width of a netball court b. The distance between two islands c. The length of a car d. The width of a light bulb |
2. a. Draw a square with sides of 4 cm and measure, to the nearest millimetre, with a ruler, the length of the diagonal.
b. Draw a right-angled triangle with the two sides making the right angle being 3 cm and 4 cm and measure the length of the other side. Give the answer in cm, to one decimal place.
c. Draw a rectangle with one side 5 cm and one side 6 cm and measure the length of the diagonal to the nearest millimetre.
3. Match up the following objects with the list of likely lengths:
(i) The width of a laptop computer |
a. 195 cm
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(ii) The height of a tennis player |
b. 2.1 m
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(iii) The length of a snowboard |
c. 120 mm
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(iv) The length of a calculator |
d. 30 cm
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(v) The thickness of a paperback book |
e. 30 m
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(vi) The length of a space rocket |
f. 12 mm
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4. Complete this table:
mm
|
cm
|
m
|
km
|
590
|
|||
1.4
|
|||
2.3
|
5. Calculate and leave the answers in metres:
a. 3 km + 4 km
b. 6 km + 349 m
c. 3 m + 932 cm
d. 639 cm + 493 cm + 92 cm
e. 2 km − 550 m
f. 45 cm + 0.5 m − 95 mm
6. Convert each of the following measurements to the units given in brackets
a. 5 mm |
(cm)
|
b. 4 km |
(m)
|
c. 1200 mm |
(m)
|
d. 2.3 cm |
(mm)
|
e. 234 mm |
(m)
|
f. 1.4 km |
(cm)
|
g. 440 m |
(km)
|
h. 120 m |
(cm)
|
i. 324 mm |
(cm)
|
j. 3.9 km |
(mm)
|