Mathematics Flashcards
7 cards from real TASC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Mathematics flashcards as text
What is the circumference of a circle with radius 7 (use pi ≈ 22/7)?
Answer: 44
Circumference = 2(22/7)(7) = 44.
A bag has 4 red and 6 blue marbles. What is the probability of drawing a red marble?
Answer: 2/5
There are 4 red out of 10 total marbles, so 4/10 = 2/5.
Convert 5/8 to a decimal.
Answer: 0.625
5 divided by 8 equals 0.625.
What is the value of the expression 18 ÷ (3 + 6) × 2?
Answer: 4
Parentheses first: 3 + 6 = 9, then 18 ÷ 9 × 2 = 2 × 2 = 4.
A number increased by 15 equals 42. What is the number?
Answer: 27
Subtract 15 from 42 to get 27.
What is the greatest common factor of 24 and 36?
Answer: 12
The largest factor shared by 24 and 36 is 12.
If a right triangle has legs of 3 and 4, what is the length of the hypotenuse?
Answer: 5
By the Pythagorean theorem, sqrt(3^2 + 4^2) = sqrt(25) = 5.