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Fractions and Square Roots 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 Fractions and Square Roots Practice Questions flashcards as text

  1. What is 3/4 + 5/6?

    Answer: 1 7/12

    LCD of 4 and 6 is 12. 3/4 = 9/12; 5/6 = 10/12. Sum: 19/12 = 1 7/12.

  2. Simplify: √144

    Answer: 12

    √144 = 12 because 12 × 12 = 144.

  3. What is 2/3 × 9/10?

    Answer: 3/5

    Multiply numerators and denominators: (2×9)/(3×10) = 18/30. Simplify: 18/30 = 3/5.

  4. Between which two consecutive integers does √50 lie?

    Answer: 7 and 8

    7² = 49 and 8² = 64. Since 49 < 50 < 64, we have 7 < √50 < 8.

  5. What is 5/8 ÷ 1/4?

    Answer: 2 1/2

    Dividing by a fraction means multiplying by its reciprocal: 5/8 × 4/1 = 20/8 = 5/2 = 2 1/2.

  6. Which of the following is an irrational number?

    Answer: √20

    √16 = 4, √25 = 5, and √36 = 6 are all rational (perfect squares). √20 is irrational because 20 is not a perfect square.