Measurement

How many centimetres are in 2.5 metres?

• A50 cm
• B150 cm
• C25 cm
• D250 cm✓

Answer: 1 metre = 100 cm, so 2.5 metres = 2.5 × 100 = 250 cm.

How many millilitres are in 3 litres?

• A3,000 ml✓
• B300 ml
• C30,000 ml
• D1,500 ml

Answer: 1 litre = 1,000 ml, so 3 litres = 3 × 1,000 = 3,000 ml.

How many grams are in 2.5 kilograms?

• A500 g
• B2,500 g✓
• C250 g
• D25,000 g

Answer: 1 kg = 1,000 g, so 2.5 kg = 2.5 × 1,000 = 2,500 g.

A rectangle has a length of 8 cm and a width of 5 cm. What is its perimeter?

• A26 cm✓
• B40 cm
• C13 cm
• D30 cm

Answer: Perimeter = 2 × (length + width) = 2 × (8 + 5) = 2 × 13 = 26 cm.

A square has a side length of 6 cm. What is its area?

• A36 cm²✓
• B48 cm²
• C24 cm²
• D12 cm²

Answer: Area of a square = side × side = 6 × 6 = 36 cm².

A rectangle has an area of 48 cm² and a length of 8 cm. What is its width?

• A8 cm
• B4 cm
• C5 cm
• D6 cm✓

Answer: Area = length × width. 48 = 8 × width, so width = 48 ÷ 8 = 6 cm.

How many metres are in 450 centimetres?

• A450 m
• B4,500 m
• C45 m
• D4.5 m✓

Answer: 1 metre = 100 cm, so 450 cm = 450 ÷ 100 = 4.5 m.

How many kilograms are in 3,500 grams?

• A35 kg
• B0.35 kg
• C3.5 kg✓
• D350 kg

Answer: 1 kg = 1,000 g, so 3,500 g = 3,500 ÷ 1,000 = 3.5 kg.

A triangle has a base of 10 cm and a height of 6 cm. What is its area?

• A60 cm²
• B45 cm²
• C120 cm²
• D30 cm²✓

Answer: Area of a triangle = (base × height) ÷ 2 = (10 × 6) ÷ 2 = 60 ÷ 2 = 30 cm².

A farmer has a rectangular field that is 50 metres long and 30 metres wide. What is the perimeter?

• A200 metres
• B80 metres
• C100 metres
• D160 metres✓

Answer: Perimeter = 2 × (50 + 30) = 2 × 80 = 160 metres.

How many litres are in 5,000 millilitres?

• A5 litres✓
• B500 litres
• C50 litres
• D0.5 litres

Answer: 1 litre = 1,000 ml, so 5,000 ml = 5,000 ÷ 1,000 = 5 litres.

A parallelogram has a base of 12 cm and a height of 5 cm. What is its area?

• A45 cm²
• B60 cm²✓
• C30 cm²
• D120 cm²

Answer: Area of a parallelogram = base × height = 12 × 5 = 60 cm².

A room has a length of 4 metres and a width of 3 metres. What is its area?

• A12 m²✓
• B14 m²
• C24 m²
• D7 m²

Answer: Area = length × width = 4 × 3 = 12 m².

A container holds 2.5 litres of water. How many millilitres is this?

• A25,000 ml
• B500 ml
• C2,500 ml✓
• D250 ml

Answer: 1 litre = 1,000 ml, so 2.5 litres = 2.5 × 1,000 = 2,500 ml.

A garden path is 120 metres long. How many kilometres is this?

• A1.2 km
• B12 km
• C120 km
• D0.12 km✓

Answer: 1 km = 1,000 metres, so 120 metres = 120 ÷ 1,000 = 0.12 km.

How many millimetres are in 5 centimetres?

• A50 mm✓
• B500 mm
• C5 mm
• D0.5 mm

Answer: 1 cm = 10 mm, so 5 cm = 5 × 10 = 50 mm.

How many centimetres are in 2.5 metres?

• A2,500 cm
• B250 cm✓
• C25 cm
• D25,000 cm

Answer: 1 m = 100 cm, so 2.5 m = 2.5 × 100 = 250 cm.

How many grams are in 2.5 kilograms?

• A25 g
• B250 g
• C25,000 g
• D2,500 g✓

Answer: 1 kg = 1,000 g, so 2.5 kg = 2.5 × 1,000 = 2,500 g.

A rectangular garden measures 8 metres by 5 metres. What is its perimeter?

• A26 m✓
• B40 m
• C80 m
• D13 m

Answer: Perimeter = 2 × (length + width) = 2 × (8 + 5) = 2 × 13 = 26 m.

A square has a side length of 6 cm. What is its area?

• A24 cm²
• B12 cm²
• C36 cm²✓
• D48 cm²

Answer: Area of a square = side × side = 6 × 6 = 36 cm².

How many millilitres are in 3 litres?

• A30,000 ml
• B3,000 ml✓
• C30 ml
• D300 ml

Answer: 1 litre = 1,000 ml, so 3 litres = 3 × 1,000 = 3,000 ml.

A rectangle is 12 cm long and 7 cm wide. What is its area?

• A19 cm²
• B38 cm²
• C84 cm²✓
• D90 cm²

Answer: Area = length × width = 12 × 7 = 84 cm².

How many seconds are in 3 minutes?

• A300 seconds
• B240 seconds
• C120 seconds
• D180 seconds✓

Answer: 1 minute = 60 seconds, so 3 minutes = 3 × 60 = 180 seconds.

A triangle has a base of 10 cm and a height of 8 cm. What is its area?

• A80 cm²
• B50 cm²
• C60 cm²
• D40 cm²✓

Answer: Area of a triangle = (base × height) ÷ 2 = (10 × 8) ÷ 2 = 80 ÷ 2 = 40 cm².

How many metres are in 5 kilometres?

• A5,000 m✓
• B50,000 m
• C50 m
• D500 m

Answer: 1 km = 1,000 m, so 5 km = 5 × 1,000 = 5,000 m.

A square has a perimeter of 24 cm. What is the length of each side?

• A12 cm
• B4 cm
• C8 cm
• D6 cm✓

Answer: A square has 4 equal sides. Perimeter = 4 × side. 24 = 4 × side, so side = 24 ÷ 4 = 6 cm.

A rectangle has a length of 15 cm and a perimeter of 50 cm. What is its width?

• A20 cm
• B15 cm
• C10 cm✓
• D5 cm

Answer: Perimeter = 2 × (length + width). 50 = 2 × (15 + width). 25 = 15 + width. Width = 10 cm.

How many hours are in 2 days?

• A24 hours
• B72 hours
• C48 hours✓
• D36 hours

Answer: 1 day = 24 hours, so 2 days = 2 × 24 = 48 hours.

A rectangular field is 20 metres long and 12 metres wide. What is its area?

• A240 m²✓
• B32 m²
• C64 m²
• D120 m²

Answer: Area = length × width = 20 × 12 = 240 m².

How many milligrams are in 2.5 grams?

• A2,500 mg✓
• B25,000 mg
• C25 mg
• D250 mg

Answer: 1 g = 1,000 mg, so 2.5 g = 2.5 × 1,000 = 2,500 mg.

A bus leaves the stop at 09:45 and arrives at school at 10:20. How long is the journey?

• A25 minutes
• B35 minutes✓
• C45 minutes
• D75 minutes

Answer: From 09:45 to 10:00 is 15 minutes, and from 10:00 to 10:20 is 20 minutes. 15 + 20 = 35 minutes.

A train timetable shows Leeds 13:50, York 14:12 and Hull 15:05. How long does the journey from Leeds to Hull take?

• A55 minutes
• B1 hour 5 minutes
• C1 hour 15 minutes✓
• D1 hour 55 minutes

Answer: From 13:50 to 14:50 is 1 hour, and from 14:50 to 15:05 is 15 more minutes. The journey takes 1 hour 15 minutes.

Buses leave the station every 20 minutes. The first bus leaves at 07:10. What time does the fourth bus leave?

• A07:50
• B08:00
• C08:30
• D08:10✓

Answer: There are three gaps of 20 minutes between the first bus and the fourth, and 3 × 20 = 60 minutes. 07:10 add 1 hour is 08:10.

A box is 5 cm long, 4 cm wide and 3 cm high. What is its volume?

• A12 cm³
• B20 cm³
• C60 cm³✓
• D94 cm³

Answer: The volume of a cuboid is length × width × height, so 5 × 4 × 3 = 60 cm³.

A cube has edges 4 cm long. What is its volume?

• A64 cm³✓
• B12 cm³
• C16 cm³
• D96 cm³

Answer: Every edge of a cube is the same length, so the volume is 4 × 4 × 4 = 64 cm³.

A fish tank is 30 cm long, 20 cm wide and 25 cm high. What is its volume?

• A600 cm³
• B1,500 cm³
• C15,000 cm³✓
• D150,000 cm³

Answer: Multiply all three lengths: 30 × 20 = 600, and 600 × 25 = 15,000 cm³.