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Number Sense and Operations Flashcards

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

Read the first 7 Number Sense and Operations flashcards as text

  1. What is the value of 3/4 + 1/6?

    Answer: 11/12

    Using a common denominator of 12: 9/12 + 2/12 = 11/12.

  2. Which of the following is equivalent to 0.75?

    Answer: 3/4

    0.75 = 75/100, which simplifies to 3/4.

  3. What is the value of 2⁵?

    Answer: 32

    2⁵ means 2 × 2 × 2 × 2 × 2 = 32.

  4. Which list shows the numbers in order from least to greatest: -3, 0.5, -0.5, 2?

    Answer: -3, -0.5, 0.5, 2

    On the number line, -3 < -0.5 < 0.5 < 2, so the correct order is -3, -0.5, 0.5, 2.

  5. What is the absolute value of -7?

    Answer: 7

    Absolute value represents distance from zero, so |-7| = 7.

  6. Which of the following numbers is a perfect square?

    Answer: 36

    36 = 6², making it a perfect square; the others have no integer square roots.

  7. What is the greatest common factor (GCF) of 24 and 36?

    Answer: 12

    The factors of 24 include 1, 2, 3, 4, 6, 8, 12, 24 and of 36 include 1, 2, 3, 4, 6, 9, 12, 18, 36; the greatest common factor is 12.