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Convection Oven worksheet

Grade 6 · CCSS 6.RP.A.3.c

Solve each problem and show your work. Round answers to 2 decimal places where needed.

  1. Problem 1.
    • Converting: A convection recipe for a regular oven
    • Adjust: The temperature (usual for baking)
    • Temperature scale: °C
    • Recipe temperature: 225 °C
    • Temperature difference: 18 °C
    • Recipe time: 34 min
    • Time difference: 18%

    Find: Regular oven temperature

  2. Problem 2.
    • Converting: A convection recipe for a regular oven
    • Adjust: The temperature (usual for baking)
    • Temperature scale: °F
    • Recipe temperature: 300 °F
    • Temperature difference: 22 °F
    • Recipe time: 45 min
    • Time difference: 30%

    Find: Regular oven temperature

  3. Problem 3.
    • Converting: A regular recipe for a convection oven
    • Adjust: The temperature (usual for baking)
    • Temperature scale: °F
    • Recipe temperature: 300 °F
    • Temperature difference: 16 °F
    • Recipe time: 50 min
    • Time difference: 24%

    Find: Convection oven temperature

  4. Problem 4.
    • Converting: A convection recipe for a regular oven
    • Adjust: The time (often used for roasting)
    • Temperature scale: °C
    • Recipe temperature: 210 °C
    • Recipe time: 50 min
    • Time difference: 28%

    Find: Regular oven cooking time

  5. Problem 5.
    • Converting: A convection recipe for a regular oven
    • Adjust: The temperature (usual for baking)
    • Temperature scale: °C
    • Recipe temperature: 130 °C
    • Temperature difference: 14 °C
    • Recipe time: 44 min
    • Time difference: 24%

    Find: Regular oven temperature

  6. Problem 6.
    • Converting: A regular recipe for a convection oven
    • Adjust: The time (often used for roasting)
    • Temperature scale: °C
    • Recipe temperature: 126 °C
    • Recipe time: 42 min
    • Time difference: 22%

    Find: Convection cooking time

  7. Problem 7.
    • Converting: A regular recipe for a convection oven
    • Adjust: The time (often used for roasting)
    • Temperature scale: °C
    • Recipe temperature: 154 °C
    • Recipe time: 50 min
    • Time difference: 22%

    Find: Convection cooking time

  8. Problem 8.
    • Converting: A convection recipe for a regular oven
    • Adjust: The temperature (usual for baking)
    • Temperature scale: °F
    • Recipe temperature: 300 °F
    • Temperature difference: 32 °F
    • Recipe time: 40 min
    • Time difference: 18%

    Find: Regular oven temperature

  9. Problem 9.
    • Converting: A convection recipe for a regular oven
    • Adjust: The temperature (usual for baking)
    • Temperature scale: °F
    • Recipe temperature: 280 °F
    • Temperature difference: 22 °F
    • Recipe time: 45 min
    • Time difference: 22%

    Find: Regular oven temperature

  10. Problem 10.
    • Converting: A convection recipe for a regular oven
    • Adjust: The temperature (usual for baking)
    • Temperature scale: °F
    • Recipe temperature: 320 °F
    • Temperature difference: 30 °F
    • Recipe time: 32 min
    • Time difference: 28%

    Find: Regular oven temperature

Answer key: Convection Oven worksheet

  1. 1. Regular oven temperature: 243 °C

    1. Raise the temperature by 18 °C, since a still oven transfers heat more slowly

      225+18=243 °C
  2. 2. Regular oven temperature: 322 °F

    1. Raise the temperature by 22 °F, since a still oven transfers heat more slowly

      300+22=322 °F
  3. 3. Convection oven temperature: 284 °F

    1. Lower the temperature by 16 °F, since circulating air transfers heat faster

      300−16=284 °F
    2. Keep the recipe time, but start checking 24% early, since the fan may cook it faster

      50 min×(1−24100)=38 min
  4. 4. Regular oven cooking time: 69.44 min

    1. Keep 210 °C and cook longer, since still air cooks more slowly. Take 28% off the new time and you get back the recipe time

      50 min(1−28100)=69.444444 min
  5. 5. Regular oven temperature: 144 °C

    1. Raise the temperature by 14 °C, since a still oven transfers heat more slowly

      130+14=144 °C
  6. 6. Convection cooking time: 32.76 min

    1. Keep 126 °C and shorten the time by 22%, because moving air cooks faster

      42 min×(1−22100)=32.76 min
  7. 7. Convection cooking time: 39 min

    1. Keep 154 °C and shorten the time by 22%, because moving air cooks faster

      50 min×(1−22100)=39 min
  8. 8. Regular oven temperature: 332 °F

    1. Raise the temperature by 32 °F, since a still oven transfers heat more slowly

      300+32=332 °F
  9. 9. Regular oven temperature: 302 °F

    1. Raise the temperature by 22 °F, since a still oven transfers heat more slowly

      280+22=302 °F
  10. 10. Regular oven temperature: 350 °F

    1. Raise the temperature by 30 °F, since a still oven transfers heat more slowly

      320+30=350 °F