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8th Grade Math Flashcards

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

Read the first 6 8th Grade Math flashcards as text
  1. What is the volume of a cylinder with radius 3 cm and height 10 cm? (Use π ≈ 3.14)

    Answer: 282.6 cu cm

    V = π × r² × h = 3.14 × 9 × 10 = 282.6 cubic centimeters.

  2. Solve the system: y = x + 2 and y = 3x − 4. What is x?

    Answer: x = 3

    Setting equal: x + 2 = 3x − 4 → 6 = 2x → x = 3.

  3. What is 5² × 5³?

    Answer: 5⁵

    When multiplying powers with the same base, add exponents: 5² × 5³ = 5⁵.

  4. A triangle has angles measuring 40° and 75°. What is the third angle?

    Answer: 65°

    Triangle angles sum to 180°: 180 − 40 − 75 = 65°.

  5. Which transformation preserves the shape and size of a figure?

    Answer: Rotation

    Rotation is a rigid transformation that preserves both shape and size.

  6. What is the mean of the data set: 4, 8, 6, 10, 12?

    Answer: 8

    (4 + 8 + 6 + 10 + 12) ÷ 5 = 40 ÷ 5 = 8.