Grade 9Mathpractice16 questions

Volume and surface area

Grade 9: volume of a prism, volume of a cylinder, surface area of a cuboid, units of volume and capacity, volume of a cone and sphere (formula given).

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Free to play. Teams answer on one screen; your phone is the remote. No student devices.

Questions

  1. A prism has a base area of 12 cm² and a height of 5 cm. What is its volume?

    • 17 cm³
    • 30 cm³
    • 60 cm²
    • 60 cm³
    Show answer60 cm³

  2. A triangular prism has a triangle area of 20 cm² and length 8 cm. What is its volume?

    • 160 cm³
    • 28 cm³
    • 320 cm³
    • 80 cm³
    Show answer160 cm³

  3. The volume of a cuboid 2 cm by 3 cm by 4 cm is 24 cm³. (True or false?)

    Show answerTrue

  4. A cylinder has base radius 3 cm and height 10 cm. Its volume is (leave in terms of π)?

    • 30π cm³
    • 60π cm³
    • 900π cm³
    • 90π cm³
    Show answer90π cm³

  5. A cylinder has base area 25 cm² and height 4 cm. What is its volume in cm³? (Answer out loud)

    Show answer100

  6. Which formula gives the volume of a cylinder with radius r and height h?

    • 2π r h
    • π r h
    • π r² + h
    • π r² h
    Show answerπ r² h

  7. What is the total surface area of a cuboid 2 cm by 3 cm by 4 cm?

    • 24 cm²
    • 26 cm²
    • 48 cm²
    • 52 cm²
    Show answer52 cm²

  8. What is the surface area of a cube with edges of 5 cm, in cm²? (Answer out loud)

    Show answer150

  9. A cube with side 1 m has a volume of 100 cm³. (True or false?)

    Show answerFalse

  10. How many millilitres are in 1 litre?

    • 10
    • 10 000
    • 100
    • 1000
    Show answer1000

  11. 1 cm³ is the same as how much capacity?

    • 1 centilitre
    • 1 litre
    • 1 millilitre
    • 10 millilitres
    Show answer1 millilitre

  12. A tank holds 3 litres. How many cm³ is that? (Answer out loud)

    Show answer3000 cm³

  13. A cone has base area 30 cm² and height 6 cm. Its volume is ⅓ × base area × height. What is it?

    • 180 cm³
    • 20 cm³
    • 60 cm³
    • 90 cm³
    Show answer60 cm³

  14. Using V = 4/3 π r³, a sphere of radius 3 cm has volume?

    • 108π cm³
    • 12π cm³
    • 27π cm³
    • 36π cm³
    Show answer36π cm³

  15. A cone and a cylinder have equal base and height. The cone's volume is one third of the cylinder's. (True or false?)

    Show answerTrue

  16. A cuboid tank is 50 cm by 40 cm by 30 cm. How many litres can it hold?

    • 120 litres
    • 6 litres
    • 60 litres
    • 600 litres
    Show answer60 litres

Play it as a game

Claw MachineAnswer right to work the claw: grab a plush prize, but the big ones slip more often!Lucky DropAnswer right to drop a ball through the pegs. Every bucket scores, and the golden one is worth 10!Mini GolfAnswer right to putt! Pick a shot: sink it for 5, or land in the 3, 2 or 1 ring.Ladder ClimbAnswer right to roll the big die. Ladders lift your team up, slides send it back down. First to the top wins.

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