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OSAT Elementary Mathematics Concepts Flashcards

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

Read the first 7 OSAT Elementary Mathematics Concepts flashcards as text

  1. A survey shows 12 out of 30 students prefer math. What fraction in simplest form represents this?

    Answer: 2/5

    12/30 simplifies to 2/5 when both numerator and denominator are divided by 6.

  2. Which angle measures exactly 90°?

    Answer: Right angle

    A right angle measures exactly 90° and is often marked with a small square symbol.

  3. What is 15% of 200?

    Answer: 30

    15% of 200 = 0.15 × 200 = 30.

  4. A recipe calls for 2/3 cup of sugar. If you triple the recipe, how much sugar is needed?

    Answer: 2 cups

    2/3 × 3 = 6/3 = 2 cups of sugar.

  5. In a data set {4, 7, 7, 9, 13}, what is the mode?

    Answer: 7

    The mode is 7 because it appears more frequently than any other value in the set.

  6. A rectangular prism has length 5, width 3, and height 2. What is its volume?

    Answer: 30 cubic units

    Volume = length × width × height = 5 × 3 × 2 = 30 cubic units.

  7. Which expression shows the commutative property of addition?

    Answer: 7 + 8 = 8 + 7

    The commutative property of addition states that a + b = b + a, as shown by 7 + 8 = 8 + 7.

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