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Math Concepts and Estimation Flashcards

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

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  1. Which fraction is equivalent to 0.6?

    Answer: 3/5

    0.6 = 6/10, which simplifies to 3/5.

  2. A swimming pool holds 12,500 gallons of water. About how many gallons are in the pool when it is 3/4 full?

    Answer: 9,375 gallons

    3/4 × 12,500 = 9,375 gallons.

  3. Which expression is equal to 5²?

    Answer: 5 × 5

    5² means 5 raised to the power of 2, which equals 5 × 5 = 25.

  4. Which is the best estimate for 612 ÷ 29?

    Answer: 20

    Rounding to 600 ÷ 30 = 20, making 20 the best estimate.

  5. A number is divisible by both 2 and 3. Which number could it be?

    Answer: 36

    36 is divisible by 2 (36÷2=18) and by 3 (36÷3=12), making it divisible by 6.

  6. What is the perimeter of a square with a side length of 9 inches?

    Answer: 36 inches

    A square has 4 equal sides, so the perimeter = 4 × 9 = 36 inches.

  7. Which of the following numbers is prime?

    Answer: 37

    37 has no factors other than 1 and itself, making it a prime number.