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OAR Math Skills: Arithmetic and Number Operations Flashcards

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

Read the first 6 OAR Math Skills: Arithmetic and Number Operations flashcards as text

  1. A rope is cut into pieces of 2.5 feet each. If the original rope is 17.5 feet long, how many pieces are cut?

    Answer: 7

    17.5 ÷ 2.5 = 7 pieces.

  2. What is 15% of 320?

    Answer: 48

    15% × 320 = 0.15 × 320 = 48.

  3. Which fraction is equivalent to 0.625?

    Answer: 5/8

    0.625 = 625/1000, which simplifies to 5/8.

  4. A tank holds 450 gallons. If 1/3 of the tank is used, how many gallons remain?

    Answer: 300 gallons

    1/3 of 450 = 150 used, so 450 − 150 = 300 gallons remain.

  5. What is the absolute value of −18?

    Answer: 18

    The absolute value represents the distance from zero, so |−18| = 18.

  6. If 7x = 56, what is the value of x?

    Answer: 8

    Dividing both sides by 7 gives x = 56 ÷ 7 = 8.