Math Concepts and Reasoning Flashcards
7 cards from real IAR 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 Concepts and Reasoning flashcards as text
What is 7/8 − 1/4?
Answer: 5/8
Convert 1/4 to 2/8, then 7/8 − 2/8 = 5/8.
A car travels 150 miles in 3 hours. What is its average speed?
Answer: 50 mph
Speed equals distance divided by time, so 150 ÷ 3 = 50 miles per hour.
Which number is equivalent to 5 × 10³?
Answer: 5,000
10³ equals 1,000, so 5 × 1,000 = 5,000.
What is the next term in the pattern 2, 6, 18, 54, ...?
Answer: 162
Each term is multiplied by 3, so 54 × 3 = 162.
If the probability of rain is 0.3, what is the probability it does not rain?
Answer: 0.7
Complementary probabilities sum to 1, so 1 − 0.3 = 0.7.
Evaluate the expression 5x − 3 when x = 4.
Answer: 17
Substitute 4 for x: 5 × 4 = 20, then 20 − 3 = 17.
What is 35% of 200?
Answer: 70
35% equals 0.35, and 0.35 × 200 = 70.