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Measurement Conversions and Time

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Measurement Conversions and Time

Convert carefully and include the units in your answers. Show working for calculations and time problems.

Warm-up: Addition and subtraction

Work out each calculation. Show your working.

1.Calculate 378 + 456.
2.Calculate 923 − 478.
3.Calculate 1,386 + 749.
4.Calculate 2,500 − 867.
5.Calculate 2,749 + 1,586.

Length conversions

Use 10 mm = 1 cm, 100 cm = 1 m and 1,000 m = 1 km.

6.Convert 3,500 mm to centimetres.
7.Convert 4.2 m to centimetres.
8.Convert 3.6 km to metres.
9.A walking track is 750 m long. How many centimetres long is it?
10.Which length is greater: 1,350 mm or 1.4 m?
  • 1,350 mm
  • 1.4 m
  • They are equal

Capacity conversions

Use 1,000 mL = 1 L and 1,000 L = 1 kL.

11.Convert 4.6 L to millilitres.
12.Convert 3,200 mL to litres.
13.A water tank contains 24 kL. How many litres is that?
14.Ruben drinks 300 mL of water six times in one day. How many litres does she drink altogether?
15.Which holds more: a 3 L pot or a 3,250 mL jug?
  • The 3 L pot
  • The 3,250 mL jug
  • They hold the same amount

Reading and calculating time

Write times in digital form where asked. Remember that quarter to an hour means 15 minutes before the next hour.

16.What is quarter past 4 in digital time?
121234567891011
17.Write quarter to 8 as a digital time.
121234567891011
18.A digital clock displays 10:45. Which spoken time matches?
  • Quarter past 10
  • Quarter to 11
  • Half past 10
121234567891011
19.A school event begins at 9:10 am and ends at 2:40 pm. How long does it last? Give your answer in hours and minutes.
20.It is 1:50 pm. A music lesson starts in 35 minutes. What time does the lesson start?

Mass conversions

Use 1,000 g = 1 kg and 1,000 kg = 1 tonne.

21.Convert 3.4 kg to grams.
22.Convert 4,600 g to kilograms.
23.A small truck has a mass of 2.3 tonnes. What is its mass in kilograms?
24.Which has the greater mass: 1,650 g or 1.9 kg?
  • 1,650 g
  • 1.9 kg
  • They have equal mass
25.A baking mix uses 350 g of oats, 450 g of flour and 275 g of dried fruit. What is the total mass in kilograms?

Measurement and time challenge

Solve each part of the trip-planning problem.

26.A class travels 3.2 km to a nature centre and the same distance back. What is the total distance in kilometres and metres?
27.There are 24 people on the trip. Each person brings a 600 mL drink bottle. How much water is that altogether in millilitres and litres?
28.The group leaves at 9:20 am and returns at 2:50 pm. How long are they away?
29.Each of the 24 people carries a lunch with a mass of about 350 g. What is the total lunch mass in grams and kilograms?

5 printable pages

  • Measurement Conversions and Time, page 1 of 5: Warm-up: Addition and subtraction

    Page 1

  • Measurement Conversions and Time, page 2 of 5: Length conversions, Capacity conversions

    Page 2

  • Measurement Conversions and Time, page 3 of 5: Reading and calculating time

    Page 3

  • Measurement Conversions and Time, page 4 of 5: Mass conversions

    Page 4

  • Measurement Conversions and Time, page 5 of 5: Measurement and time challenge

    Page 5

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