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Math Flashcards

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

Read the first 7 Math flashcards as text

  1. What is the sum of the angles in a triangle?

    Answer: 180°

    The interior angles of any triangle add up to 180°.

  2. Simplify: 4(x + 3) - 2x.

    Answer: 2x + 12

    Distribute to get 4x + 12 - 2x = 2x + 12.

  3. What is the greatest common factor of 24 and 36?

    Answer: 12

    12 is the largest number that divides both 24 and 36 evenly.

  4. A shirt costs $40 and is on sale for 25% off. What is the sale price?

    Answer: $30

    25% of $40 is $10, so $40 - $10 = $30.

  5. What is the perimeter of a square with side length 9 cm?

    Answer: 36 cm

    Perimeter = 4 × side = 4 × 9 = 36 cm.

  6. Evaluate: 12 + 6 ÷ 2 × 3.

    Answer: 21

    Following order of operations: 6 ÷ 2 = 3, 3 × 3 = 9, then 12 + 9 = 21.

  7. What is the median of the set: 4, 8, 6, 10, 2?

    Answer: 6

    Ordered as 2, 4, 6, 8, 10, the middle value is 6.