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Math: Number Sense and Operations Flashcards

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

Read the first 7 Math: Number Sense and Operations flashcards as text

  1. What is the value of √144?

    Answer: 12

    12 × 12 = 144, so √144 = 12.

  2. Which of the following represents 5/8 as a decimal?

    Answer: 0.625

    5 ÷ 8 = 0.625.

  3. If a number is increased by 40% and then decreased by 40%, what is the net result?

    Answer: A 16% decrease

    Increasing by 40% gives ×1.4, then decreasing by 40% gives ×0.6; 1.4 × 0.6 = 0.84, which is a 16% decrease.

  4. Which expression has the greatest value?

    Answer: 3³

    2⁴=16, 3³=27, 4²=16, 5¹=5; therefore 3³=27 is the greatest.

  5. A number is divisible by 9 if:

    Answer: The sum of its digits is divisible by 9

    The divisibility rule for 9 states that a number is divisible by 9 if the sum of its digits is divisible by 9.

  6. Which of the following is true about the number 0?

    Answer: 0 is neither positive nor negative

    Zero is an integer and a real number, but it is neither positive nor negative.

  7. What is the value of 7! (7 factorial)?

    Answer: 5040

    7! = 7 × 6 × 5 × 4 × 3 × 2 × 1 = 5040.

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Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. pesb.wa.gov — Eligibility · verified Oct 2026
  2. west.nesinc.com — Fees, score validity, retake policy, test delivery, exam format, passing score, test dates, time limit · verified Oct 2026