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Mathematics Flashcards

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

Read the first 7 Mathematics flashcards as text

  1. A data set has values: 4, 7, 9, 9, 11, 13. What is the median?

    Answer: 9

    With 6 values, the median is the average of the 3rd and 4th: (9 + 9) ÷ 2 = 9.

  2. Which of the following is NOT a rational number?

    Answer: √7

    √7 cannot be expressed as a fraction of two integers, so it is irrational.

  3. If a recipe calls for 2½ cups of flour to make 24 cookies, how many cups are needed for 48 cookies?

    Answer: 5

    48 cookies is double 24, so double the flour: 2½ × 2 = 5 cups.

  4. What is the greatest common factor (GCF) of 36 and 48?

    Answer: 12

    Factors of 36: 1,2,3,4,6,9,12,18,36; factors of 48 include 12; GCF = 12.

  5. A line graph shows sales increasing from 200 units in January to 350 units in June. What is the percent increase?

    Answer: 75%

    Percent increase = (350 − 200) ÷ 200 × 100 = 150 ÷ 200 × 100 = 75%.

  6. Two angles are supplementary. One angle measures 65°. What is the measure of the other angle?

    Answer: 115°

    Supplementary angles sum to 180°; 180 − 65 = 115°.

  7. Which inequality is represented by the statement 'a number x is at most 8'?

    Answer: x ≤ 8

    'At most 8' means x can equal 8 or be less, so x ≤ 8.