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Standardized Achievement Mathematics Flashcards

7 cards from real Achievement 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 Standardized Achievement Mathematics flashcards as text

  1. A bag contains 4 red, 3 blue, and 5 green marbles. What is the probability of randomly selecting a blue marble?

    Answer: 3/12

    Total marbles = 12; P(blue) = 3/12 = 1/4 (but 3/12 is the unreduced form listed as a choice).

  2. Evaluate: −3 × (−4) + (−6) ÷ 2

    Answer: 9

    −3 × −4 = 12; −6 ÷ 2 = −3; 12 + (−3) = 9.

  3. The ratio of boys to girls in a class is 3:4. If there are 28 girls, how many boys are there?

    Answer: 21

    If 4 parts = 28, then 1 part = 7; boys = 3 × 7 = 21.

  4. Which inequality represents 'x is at most 8'?

    Answer: x ≤ 8

    'At most 8' means x cannot exceed 8, so x ≤ 8.

  5. What is the slope of a line passing through (2, 5) and (6, 13)?

    Answer: 2

    Slope = (13 − 5) ÷ (6 − 2) = 8 ÷ 4 = 2.

  6. A rectangular garden is 12 m long and 7 m wide. What is the area of a path 1 m wide built around the outside?

    Answer: 40 m²

    Outer area = 14 × 9 = 126 m²; inner area = 12 × 7 = 84 m²; path area = 126 − 84 = 42 m².

  7. Convert 3/8 to a decimal.

    Answer: 0.375

    3 ÷ 8 = 0.375.