Cylinders: volume problems, including a missing radius or height

Grade 8 Math Worksheet - Challenge Me

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Circle the best answer, or write your answer on the line.

  1. Milo compares two cans. Can A: radius 3 cm, height 14 cm. Can B: radius 5 cm, height 6 cm. How many cubic cm more does the bigger one hold? Use π = 3.14.

  2. Pia compares two pots. Pot A: radius 10 cm, height 6 cm. Pot B: radius 6 cm, height 15 cm. How many cubic cm more does the bigger one hold? Use π = 3.14.

    Use the picture in question 1.

  3. Ren pours a full can (radius 5 cm, height 8 cm) into an empty jar with radius 10 cm. How deep is the water in the jar, in cm? Use π = 3.14.

  4. Tala pours a full pot (radius 6 cm, height 10 cm) into an empty jar with radius 12 cm. How deep is the water in the jar, in cm? Use π = 3.14.

  5. Zee pours a full tin (radius 4 cm, height 15 cm) into an empty jar with radius 8 cm. How deep is the water in the jar, in cm? Use π = 3.14.

  6. “Sketch, not to scale:” Ari's cooking pot has a radius of 12 cm and is 20 cm tall. Water fills it to a depth of 14 cm. How many cubic cm more water fit? Use π = 3.14.

  7. Sketch, not to scale. Bo's can has a radius of 4 cm and is 15 cm tall. Water fills it to a depth of 9 cm. How many cubic cm more water fit? Use π = 3.14.

  8. Esme's storage jar has a radius of 15 cm and is 20 cm tall. Water fills it to a depth of 12 cm. How many cubic cm more water fit? Use π = 3.14.

  9. Kira fills a pot with a glass. The glass: radius 3 cm, height 12 cm. The pot: radius 12 cm, height 15 cm. How many full glasses of water fill the pot?

  10. Sketch, not to scale: the small cup next to the big jar, with the radii and heights marked. Luz fills a big jar with a cup. The cup: radius 5 cm, height 8 cm. The jar: radius 15 cm, height 16 cm. How many full cups of water fill the jar?

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Cylinders: volume problems, including a missing radius or height

Answer Key - Grade 8 Math Worksheet - Challenge Me

Circle the best answer, or write your answer on the line.

  1. Milo compares two cans. Can A: radius 3 cm, height 14 cm. Can B: radius 5 cm, height 6 cm. How many cubic cm more does the bigger one hold? Use π = 3.14.

    75.36
  2. Pia compares two pots. Pot A: radius 10 cm, height 6 cm. Pot B: radius 6 cm, height 15 cm. How many cubic cm more does the bigger one hold? Use π = 3.14.

    Use the picture in question 1.

    188.4
  3. Ren pours a full can (radius 5 cm, height 8 cm) into an empty jar with radius 10 cm. How deep is the water in the jar, in cm? Use π = 3.14.

    2
  4. Tala pours a full pot (radius 6 cm, height 10 cm) into an empty jar with radius 12 cm. How deep is the water in the jar, in cm? Use π = 3.14.

    2.5
  5. Zee pours a full tin (radius 4 cm, height 15 cm) into an empty jar with radius 8 cm. How deep is the water in the jar, in cm? Use π = 3.14.

    3.75
  6. “Sketch, not to scale:” Ari's cooking pot has a radius of 12 cm and is 20 cm tall. Water fills it to a depth of 14 cm. How many cubic cm more water fit? Use π = 3.14.

    2712.96
  7. Sketch, not to scale. Bo's can has a radius of 4 cm and is 15 cm tall. Water fills it to a depth of 9 cm. How many cubic cm more water fit? Use π = 3.14.

    301.44
  8. Esme's storage jar has a radius of 15 cm and is 20 cm tall. Water fills it to a depth of 12 cm. How many cubic cm more water fit? Use π = 3.14.

    5652
  9. Kira fills a pot with a glass. The glass: radius 3 cm, height 12 cm. The pot: radius 12 cm, height 15 cm. How many full glasses of water fill the pot?

    20
  10. Sketch, not to scale: the small cup next to the big jar, with the radii and heights marked. Luz fills a big jar with a cup. The cup: radius 5 cm, height 8 cm. The jar: radius 15 cm, height 16 cm. How many full cups of water fill the jar?

    18