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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. Which property is illustrated by 5 × (2 + 3) = 5 × 2 + 5 × 3?

    Answer: Distributive property

    The distributive property states that a × (b + c) = a × b + a × c.

  2. A class of 28 students is divided into equal groups of 4. How many groups are there?

    Answer: 7

    28 ÷ 4 = 7 equal groups.

  3. Which decimal is equivalent to 3/4?

    Answer: 0.75

    3 ÷ 4 = 0.75, so 3/4 is equivalent to the decimal 0.75.

  4. What is the perimeter of a square with a side length of 7 inches?

    Answer: 28 inches

    Perimeter of a square = 4 × side = 4 × 7 = 28 inches.

  5. A store has 120 pencils and sells 45. What percentage of the original supply remains?

    Answer: 62.5%

    Remaining pencils = 120 − 45 = 75; 75/120 = 0.625 = 62.5%.

  6. On a number line, which point is between −3 and −1?

    Answer: −2

    −2 lies between −3 and −1 on the number line.

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

    Answer: 12

    The multiples of 4 are 4, 8, 12… and of 6 are 6, 12…; the smallest shared multiple is 12.

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