Math Concepts and Applications Flashcards
7 cards from real i-Ready Diagnostic Test 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 Applications flashcards as text
A bag contains 4 red marbles, 6 blue marbles, and 2 green marbles. What is the probability of randomly drawing a blue marble?
Answer: 1/2
There are 6 blue out of 12 total marbles: 6/12 = 1/2.
What is 15% of 200?
Answer: 30
15% of 200 = 0.15 × 200 = 30.
If the pattern is 2, 6, 18, 54, ..., what is the next number?
Answer: 162
Each term is multiplied by 3: 54 × 3 = 162.
A recipe calls for 2½ cups of flour. If you want to make 3 batches, how many cups of flour do you need?
Answer: 7½ cups
2½ × 3 = 5/2 × 3 = 15/2 = 7½ cups.
What is the least common multiple (LCM) of 4 and 6?
Answer: 12
The LCM of 4 and 6 is 12, the smallest number divisible by both.
A car travels 240 miles in 4 hours. What is its average speed?
Answer: 60 mph
Speed = distance ÷ time = 240 ÷ 4 = 60 mph.
Which expression is equivalent to 4(x + 3)?
Answer: 4x + 12
Using the distributive property: 4(x + 3) = 4x + 12.
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