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
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.
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.
What is 5² × 5³?
Answer: 5⁵
When multiplying powers with the same base, add exponents: 5² × 5³ = 5⁵.
A triangle has angles measuring 40° and 75°. What is the third angle?
Answer: 65°
Triangle angles sum to 180°: 180 − 40 − 75 = 65°.
Which transformation preserves the shape and size of a figure?
Answer: Rotation
Rotation is a rigid transformation that preserves both shape and size.
What is the mean of the data set: 4, 8, 6, 10, 12?
Answer: 8
(4 + 8 + 6 + 10 + 12) ÷ 5 = 40 ÷ 5 = 8.