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1.4D Metric Conversions: Fluency and Exam Drill

EDEXCEL Edexcel 1MA1 · Calculator allowed · about 45 minutes

Total Marks

Name: _______________________________ Date: ____ / ____ / ______

Answer ALL questions. Show all your working.

Convert 3500 metres to kilometres.

(Total for Question 1 is 1 mark)

Convert 7.25 kilograms to grams.

(Total for Question 2 is 1 mark)

Convert 4800 millilitres to litres.

(Total for Question 3 is 1 mark)

Convert 0.06 kilometres to metres.

(Total for Question 4 is 1 mark)

Convert 250 centimetres to metres.

(Total for Question 5 is 1 mark)

Convert 5.2 litres to millilitres.

(Total for Question 6 is 1 mark)

Convert 3.6 tonnes to kilograms.

(Total for Question 7 is 1 mark)

Convert 1250 grams to kilograms.

(Total for Question 8 is 1 mark)

A ribbon is 0.85 metres long. Work out its length in centimetres.

(Total for Question 9 is 2 marks)

A small water tank has a volume of 2.5 m³. Convert this volume to litres.

(Total for Question 10 is 2 marks)

Convert 1500 cm² to m².

(Total for Question 11 is 2 marks)

A rectangular garden is 12 m long and 75 cm wide. Work out the area of the garden in m².

(Total for Question 12 is 3 marks)

A recipe needs 0.75 kg of flour. Flour is sold in 250 g packets. How many packets are needed?

(Total for Question 13 is 3 marks)

A paving slab measures 45 cm by 30 cm. How many such slabs are needed to cover an area of 5 m²? Give your answer as the minimum whole number of slabs required.

(Total for Question 14 is 4 marks)

Convert 0.00032 kilograms to milligrams.

(Total for Question 15 is 2 marks)

Convert 3.6 m² to cm².

(Total for Question 16 is 2 marks)

Convert 0.0135 grams to milligrams.

(Total for Question 17 is 2 marks)

A farmer has a field of area 0.72 hectares. Work out the area in square metres.

(Total for Question 18 is 2 marks)

Mark scheme · 1.4D Metric Conversions: Fluency and Exam Drill

Question 1

B1 3.5 km cao
Answer: 3.5 km, or 3.5 kilometres (cao).

Question 2

B1 7250 g cao
Answer: 7250 g

Question 3

B1 4.8 L or 4.8 litres cao
Answer: 4.8 L

Question 4

B1 60 m cao
Answer: 60 m

Question 5

B1 2.5 m cao
Answer: 2.5 m

Question 6

B1 5200 ml cao
Answer: 5200 ml

Question 7

B1 3600 kg cao
Answer: 3600 kg

Question 8

B1 1.25 kg cao
Answer: 1.25 kg

Question 9

M1 convert metres to centimetres, e.g. 0.85 x 100 or 0.85 -> 85
A1 85 cm cao
Answer: 85 cm

Question 10

M1 use 1 m³ = 1000 litres, so 2.5 x 1000
A1 2500 litres cao
Answer: 2500 litres

Question 11

M1 recognise 1 m² = 10000 cm² and divide 1500 by 10000
A1 0.15 m² cao
Answer: 0.15 m²

Question 12

M1 convert width 75 cm to metres (0.75 m) or show equivalent
M1 calculate area 12 x 0.75
A1 9 m² cao
Answer: 9 m²

Question 13

M1 convert 0.75 kg to grams (750 g) or equivalent
M1 divide 750 by 250 to find number of packets
A1 3 packets cao
Answer: 3 packets

Question 14

M1 convert dimensions to metres: 45 cm = 0.45 m, 30 cm = 0.30 m
M1 calculate area of one slab 0.45 x 0.30 = 0.135 m²
M1 divide required area by slab area: 5 / 0.135 = 37.037... (show division)
A1 38 slabs cao, with reason round up to whole slab
Answer: 38 slabs (must round up from 37.037... to whole slabs)

Question 15

M1 use 1 kg = 1 000 000 mg and multiply 0.00032 x 1 000 000
A1 320 mg cao
Answer: 320 mg

Question 16

M1 recognise 1 m² = 10 000 cm² and multiply 3.6 x 10 000
A1 36 000 cm² cao
Answer: 36 000 cm²

Question 17

M1 use 1 g = 1000 mg and multiply 0.0135 x 1000
A1 13.5 mg cao
Answer: 13.5 mg

Question 18

M1 use 1 hectare = 10 000 m² and multiply 0.72 x 10 000
A1 7200 m² cao
Answer: 7200 m²

Metric Conversions: Fluency and Exam Drill - Worksheets, Questions and Revision