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Number Sense and Operations Flashcards

7 cards from real CHSPE 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. A shirt originally costs $40 and is on sale for 25% off. What is the sale price?

    Answer: $30

    25% of $40 = $10 discount; $40 − $10 = $30 sale price.

  2. What is the value of 5²?

    Answer: 25

    5² means 5 × 5 = 25.

  3. What is √144?

    Answer: 12

    12 × 12 = 144, so √144 = 12.

  4. Which number has the greatest absolute value?

    Answer: -15

    |−15| = 15, which is greater than |12| = 12, |−8| = 8, and |10| = 10.

  5. What is 4.5 × 10³ written in standard notation?

    Answer: 4,500

    4.5 × 10³ = 4.5 × 1,000 = 4,500.

  6. A store raises a price from $50 to $65. What is the percent increase?

    Answer: 30%

    Percent increase = (change ÷ original) × 100 = (15 ÷ 50) × 100 = 30%.

  7. Which fraction is equivalent to 0.6?

    Answer: 3/5

    0.6 = 6/10 = 3/5 when reduced to lowest terms.