Math Practice Flashcards
7 cards from real SHSAT practice questions. Tap to flip, then mark Knew It or Still Learning โ missed cards come back until you master them.
Read the first 7 Math Practice flashcards as text
If 4 workers can build a wall in 6 days, how many days would 3 workers take at the same rate?
Answer: 8 days
Total work is 24 worker-days, so 3 workers take 24 / 3 = 8 days.
What is the slope of the line passing through (1, 2) and (4, 11)?
Answer: 3
Slope = (11 - 2)/(4 - 1) = 9/3 = 3.
Simplify: (2x^3)(3x^4).
Answer: 6x^7
Multiply coefficients (6) and add exponents (3+4=7) to get 6x^7.
A bag has 3 red, 4 blue, and 5 green marbles. What is the probability of drawing a blue marble?
Answer: 1/3
There are 12 marbles and 4 blue, so probability is 4/12 = 1/3.
Solve for x: 2(x + 3) = 4x - 2.
Answer: 4
2x + 6 = 4x - 2 gives 8 = 2x, so x = 4.
The price of a stock rose from $50 to $65. What was the percent increase?
Answer: 30%
Increase is $15; 15/50 = 0.30, or 30%.
What is the median of the data set 4, 8, 15, 16, 23, 42?
Answer: 15.5
With six values, the median is the average of the two middle numbers: (15 + 16)/2 = 15.5.