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 15% of 240?
Answer: 36
0.15 × 240 = 36.
Solve for x: 3x - 7 = 14.
Answer: 7
Add 7 to get 3x = 21, then divide by 3 to get x = 7.
A rectangle is 8 cm long and 5 cm wide. What is its area?
Answer: 40 cm²
Area = length × width = 8 × 5 = 40 cm².
What is the value of 7²?
Answer: 49
7² means 7 × 7 = 49.
If a train travels 180 miles in 3 hours, what is its average speed?
Answer: 60 mph
Speed = distance ÷ time = 180 ÷ 3 = 60 mph.
What is the next number in the sequence: 2, 6, 18, 54, ___?
Answer: 162
Each term is multiplied by 3, so 54 × 3 = 162.
Convert the fraction 3/4 to a decimal.
Answer: 0.75
3 ÷ 4 = 0.75.