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Number Sense Flashcards

7 cards from real CAASPP 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 flashcards as text

  1. Which number is a perfect square?

    Answer: 49

    49 = 7², so it is a perfect square.

  2. What is the prime factorization of 72?

    Answer: 2³ × 3²

    72 = 8 × 9 = 2³ × 3², which uses only prime factors.

  3. A store marks up a $40 item by 15%. What is the new price?

    Answer: $46

    15% of $40 is $6, so the new price is $40 + $6 = $46.

  4. Which fraction is equivalent to 0.6?

    Answer: 3/5

    0.6 = 6/10 = 3/5 after simplifying by dividing numerator and denominator by 2.

  5. What is the least common multiple (LCM) of 4 and 6?

    Answer: 12

    Multiples of 4: 4, 8, 12… Multiples of 6: 6, 12… The smallest common multiple is 12.

  6. Evaluate: −8 + (−3) × 2

    Answer: −14

    Using order of operations: (−3) × 2 = −6 first, then −8 + (−6) = −14.

  7. A recipe calls for 2/3 cup of sugar. If you make 1.5 batches, how much sugar do you need?

    Answer: 1 cup

    2/3 × 1.5 = 2/3 × 3/2 = 6/6 = 1 cup.