Basic Maths in Metals

A metal sheet is 100 cm long. If you cut it into 5 equal parts, how long is each part?

• 15 cm
• 30 cm
• 20 cm
• 25 cm

You have a metal rod that is 120 cm long. If you bend it into 4 equal parts, how long is each part?

• 30 cm
• 50 cm
• 40 cm
• 20 cm

A piece of metal weighs 50 kg. If you cut it into 5 equal pieces, how much does each piece weigh?

• 10 kg
• 8 kg
• 15 kg
• 5 kg

If 1 kg of metal costs $10, how much will 7 kg of metal cost?

• $50
• $15
• $35
• $70

If one litre of paint covers 5 square meters, how many liters are needed to paint 15 square meters?

• 6
• 8
• 4
• 3

A truck can carry 2000 kg of metal. If each metal sheet weighs 100 kg, how many sheets can the truck carry?

• The truck can carry 25 sheets of metal.
• The truck can carry 15 sheets of metal.
• The truck can carry 20 sheets of metal.
• The truck can carry 10 sheets of metal.

A machine produces 30 metal bolts in one minute. How many bolts will it produce in 10 minutes?

• 300
• 150
• 250
• 350

If the temperature in a metal furnace increases by 15°C every hour, what is the temperature rise after 3 hours?

• 45°C
• 25°C
• 60°C
• 30°C

If it takes 2 hours to melt 10 kg of metal, how long will it take to melt 50 kg?

• 10 hours
• 5 hours
• 15 hours
• 20 hours

If you have a rectangular metal sheet that is 5 meters long and 2 meters wide, what is the area of the sheet?

• 15 square meters
• 7 square meters
• 3 square meters
• 10 square meters