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Arithmetic and Number Sense Flashcards

6 cards from real MDTP 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 number is both a perfect square and a perfect cube?

    Answer: 64

    64 = 8² = 4³, making it both a perfect square and a perfect cube.

  2. What is 15% of 240?

    Answer: 36

    15% of 240 = 0.15 × 240 = 36.

  3. Which fraction is equivalent to 0.625?

    Answer: 5/8

    0.625 = 625/1000 = 5/8 after simplifying by dividing numerator and denominator by 125.

  4. What is the least common multiple (LCM) of 12 and 18?

    Answer: 36

    The LCM of 12 and 18 is 36 since 36 is the smallest number divisible by both.

  5. Evaluate: (-3)³

    Answer: -27

    (-3)³ = (-3)(-3)(-3) = 9(-3) = -27.

  6. Order from least to greatest: 3/8, 0.4, 5/12

    Answer: 3/8, 0.4, 5/12

    Converting all to decimals: 3/8=0.375, 0.4=0.4, 5/12≈0.417, so the order is 3/8, 0.4, 5/12.

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