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Basic Operations Practice Questions Flashcards

6 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 6 Basic Operations Practice Questions flashcards as text

  1. What is 15% of 240?

    Answer: 36

    15% of 240 = 0.15 × 240 = 36. Alternatively, 10% of 240 = 24; 5% of 240 = 12; 24 + 12 = 36.

  2. What is the greatest common factor (GCF) of 48 and 36?

    Answer: 12

    Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48. Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36. GCF = 12.

  3. Which property is illustrated by: 5 × (3 + 7) = 5 × 3 + 5 × 7?

    Answer: Distributive property

    The distributive property states that a(b + c) = ab + ac. Here, 5 is distributed over the sum (3 + 7).

  4. A store has 3,456 items to pack into boxes of 24. How many full boxes can be packed?

    Answer: 144

    3,456 ÷ 24 = 144. Check: 24 × 144 = 24 × 100 + 24 × 44 = 2,400 + 1,056 = 3,456 ✓

  5. What is the least common multiple (LCM) of 6 and 8?

    Answer: 24

    Multiples of 6: 6, 12, 18, 24... Multiples of 8: 8, 16, 24... The first common multiple is 24.

  6. Evaluate: 100 − 4 × (3 + 2)²

    Answer: 0

    Following PEMDAS: parentheses first: 3 + 2 = 5; exponent: 5² = 25; multiplication: 4 × 25 = 100; subtraction: 100 − 100 = 0.