Pre-Algebra Flashcards

7 cards from real MPT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Pre-Algebra flashcards as text

A recipe calls for 2¼ cups of flour. If you want to make 1.5 times the recipe, how many cups of flour do you need?
Answer: 3⅜ cups
2¼ = 9/4; (9/4) × (3/2) = 27/8 = 3⅜ cups.
Which expression represents 'five less than twice a number n'?
Answer: 2n − 5
'Twice a number' is 2n, and 'five less than' means subtract 5, giving 2n − 5.
On a number line, what is the distance between −7 and 3?
Answer: 10
Distance = |3 − (−7)| = |3 + 7| = 10.
Which of the following is equivalent to 5² × 5³?
Answer: 5⁵
When multiplying powers with the same base, add the exponents: 5² × 5³ = 5^(2+3) = 5⁵.
Evaluate: |−15 + 4| − |6 − 10|
Answer: 7
|−11| − |−4| = 11 − 4 = 7.
A car travels 150 miles in 2.5 hours. What is its average speed in miles per hour?
Answer: 60 mph
Speed = distance ÷ time = 150 ÷ 2.5 = 60 mph.
What is 40% of 75?
Answer: 30
40% of 75 = 0.40 × 75 = 30.