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Averages and Rounding Flashcards

7 cards from real PARCC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Averages and Rounding flashcards as text

  1. A class of 10 students has an average height of 150 cm. What is the total height of all students?

    Answer: 1,500 cm

    Average times count gives 150 times 10, which equals 1,500 cm.

  2. Round 7,249 to the nearest thousand.

    Answer: 7,000

    The hundreds digit is 2, so round down to 7,000.

  3. The mean of four numbers is 9. If three are 8, 10, and 12, what is the fourth?

    Answer: 6

    The total must be 36, and 36 minus 30 leaves 6.

  4. Round 4.5 to the nearest whole number.

    Answer: 5

    A digit of 5 in the tenths place rounds the ones up to 5.

  5. Temperatures over five days were 70, 72, 68, 74, and 66 degrees. What is the average temperature?

    Answer: 70

    The sum 350 divided by 5 equals 70.

  6. Round 1,234,567 to the nearest hundred thousand.

    Answer: 1,200,000

    The ten-thousands digit is 3, so round down to 1,200,000.

  7. What is the average of 100, 200, and 300?

    Answer: 200

    The sum 600 divided by 3 equals 200.