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Metric Length Unit Conversions
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Metric Length Unit Conversions
Choose suitable metric units and convert between millimetres, centimetres, metres and kilometres. Show your working where space is provided.
Choose and know your units
1.Which unit is the most suitable for describing the length of a table-tennis bat?
- millimetres (mm)
- centimetres (cm)
- metres (m)
- kilometres (km)
2.Which unit would usually be used for the distance between two towns?
- millimetres (mm)
- centimetres (cm)
- metres (m)
- kilometres (km)
3.Select the most suitable unit for the width of a doorway.
- millimetres (mm)
- centimetres (cm)
- metres (m)
- kilometres (km)
4.Complete the conversion: 10 mm = cm.
5.Complete the conversion: 100 cm = m.
6.Complete the conversion: 1,000 m = km.
7.How many millimetres are in 1 metre?
Convert measurements
8.Convert 3,600 mm to metres.
9.Convert 4.2 km to metres.
10.Convert 625 cm to metres.
11.Convert 1.45 m to millimetres.
12.To change metres into centimetres, should you multiply or divide by 100?
- Multiply by 100
- Divide by 100
13.To change millimetres into metres, should you multiply or divide by 1,000?
- Multiply by 1,000
- Divide by 1,000
Length in everyday situations
14.At a history museum, Rawiri measures a display corridor as 3.4 km long. How many metres is the corridor?
15.Finn finds a museum exhibit model that is 2.6 m long. What is its length in centimetres?
16.Georgia measures a narrow artefact as 138 mm long. Express this length in centimetres.
17.Which is the most reasonable height for a Year 7 student?
- 145 mm
- 145 cm
- 145 m
18.A person walks at a steady pace for 10 minutes. Which distance is most plausible?
- 700 mm
- 700 cm
- 700 m
Decimal conversions and matching
19.Convert 0.68 m to centimetres.
20.Convert 1.85 km to metres.
21.Convert 5,750 mm to metres.
22.Match each measurement to an equivalent length.
- 4,000 mm
- 0.8 km
- 175 cm
- 6,000 m
- 800 m
- 1.75 m
- 4 m
- 6 km
4 printable pages
Page 1
Page 2
Page 3
Page 4
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