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Measure and Convert Mastery
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Measure and Convert Mastery
Manaia and Mere are checking measurements for a small building site. Use metric units throughout. Show your working for calculations, and include units in your answers.
Choose and convert units
Use the metric relationships: 1 km = 1,000 m; 1 m = 100 cm; 1 kg = 1,000 g; 1 L = 1,000 mL.
1.A site boundary is about 6 km long. Which unit is most suitable for recording this distance?
- millimetres (mm)
- metres (m)
- kilometres (km)
2.Convert the delivery distance of 2.35 km into metres.
3.A timber beam is 4.8 m long. How many centimetres long is it?
4.A bag of cement has a mass of 25 kg. Convert its mass to grams.
5.A water container holds 3,750 mL. How many litres is this?
Plan the materials
Use the details below to solve the site-planning problems.
6.The storage pad is 12 m long and 8 m wide. What is its perimeter? Give your answer in metres.
7.The access path is 5 m long. Convert this length into millimetres.
8.The water tank holds 2.4 kL. Since 1 kL = 1,000 L, how many litres does it hold?
9.Each material sack has a mass of 20 kg. What is the total mass of 18 sacks, in kilograms and tonnes? (1 tonne = 1,000 kg.)
10.Mere estimates that 485 cm is 48.5 m. Is her conversion correct? Explain the error and give the correct answer in metres.
11.Manaia needs 1.6 L of sealant. The measuring jug is marked in millilitres. How many millilitres should he measure?
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