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Measurement and Time Conversions
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Measurement and Time Conversions
Convert units of length, capacity and mass. Read and calculate times. Show your working for word problems.
Addition and subtraction warm-up
Solve each calculation.
1.Calculate 468 + 357.
2.Calculate 803 − 267.
3.Calculate 1,738 + 946.
4.Calculate 2,504 − 968.
5.Calculate 4,086 + 2,759.
Length conversions
Use 10 mm = 1 cm, 100 cm = 1 m and 1,000 m = 1 km.
6.Change 46 mm into centimetres.
7.Change 6.2 m into centimetres.
8.Change 3.7 km into metres.
9.A walking track is 850 m long. How many centimetres long is it?
10.Which distance is greater: 3.2 m or 315 cm?
- 3.2 m
- 315 cm
- They are equal
Capacity conversions
Use 1,000 mL = 1 L and 1,000 L = 1 kL.
11.Change 3.4 L into millilitres.
12.Change 625 mL into litres.
13.A water tank contains 28 kL. How many litres is that?
14.Each bottle holds 750 mL of juice. How many litres are in four full bottles?
15.Which holds more: a 2 L jug or a 1,850 mL bottle?
- The 2 L jug
- The 1,850 mL bottle
- They hold the same amount
Reading and calculating time
Use the times shown in digital format or write them in words.
16.Write 6:15 in words.
17.Write 8:45 in words.
18.Write the digital time for quarter past four.
19.Write the digital time for quarter to two.
20.A kapa haka practice starts at 1:40 pm and lasts 35 minutes. What time does it finish?
Mass conversions
Use 1,000 g = 1 kg and 1,000 kg = 1 tonne.
21.Change 4.6 kg into grams.
22.Change 2,350 g into kilograms.
23.A small delivery truck has a mass of 2.3 tonnes. What is its mass in kilograms?
24.Which has the greater mass: 3,100 g or 3.05 kg?
- 3,100 g
- 3.05 kg
- They have the same mass
25.A van can carry 6 tonnes of equipment. Each crate has a mass of 300 kg. How many full crates can the van carry?
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