Maths in Design and Technology

David wants to build a scale model of a truck. He is going to build it on a scale of 1 : 30. The model is 30 cm long. How long will be the truck in real life?

• 9 cm

• 90 cm

• 900 cm

• 9000 cm

The circumference of each wheel can be calculated by multiplying the diameter by pi. Which of the following is the value of pi to 4 decimal places?

• 3.1412

• 3.1414

• 3.1416

• 3.1418

The real life truck's fuel tank holds 700 litres. What would this be in millilitres?

• 7

• 700

• 70,000

• 700,000

Truck World Records 1: Can you guess . . .

How long does it take Shockwave, a jet powered truck, to get to 300 mph?

• 11 seconds

• 16 seconds

• 21 seconds

• 26 seconds

The load area on the model truck will measure 10 cm by 20 cm. What is the area in cm²?

• 2000

• 200

• 20

• 2

In real life the truck is limited to a top speed of 80 miles per hour. How fast is this in kilometres per hour?

Hint: 5 miles is about 8 km

• 98

• 108

• 118

• 128

The model truck will weigh 750 grams. How heavy is the model truck in kilograms?

• 75

• 7.5

• 0.75

• 0.075

Truck World Records 2: Can you guess . . .

The "Belaz 75710" is the world's biggest truck. How much weight can this truck carry?

• 450 tonnes

• 460 tonnes

• 470 tonnes

• 480 tonnes

The model truck will take 2 hours to build. How long is this in seconds?

• 72

• 720

• 7,200

• 72,000

Who built the world's first cargo truck in 1896?

• Mr H Ford

• Mr A BMW

• Mr G Daimler

• Mr E Musk