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

What is the volume of a cube with edge length 4 cm?
Answer: 64 cm³
Volume = edge³ = 4 × 4 × 4 = 64 cm³.
Solve: 2x + 5 = 3x - 4.
Answer: 9
Subtract 2x from both sides to get 5 = x - 4, so x = 9.
What is the mean of 10, 20, 30, and 40?
Answer: 25
Sum is 100, divided by 4 values equals 25.
A map scale shows 1 inch = 50 miles. How many miles is 4 inches?
Answer: 200 miles
4 × 50 = 200 miles.
What is √81?
Answer: 9
9 × 9 = 81, so √81 = 9.
Which number is a prime number?
Answer: 29
29 has only two factors, 1 and itself, making it prime.
If a number increased by 12 equals 30, what is the number?
Answer: 18
30 - 12 = 18.