Arithmetic and Number Sense Flashcards

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

Read the first 6 Arithmetic and Number Sense flashcards as text

What is the square root of 144?
Answer: 12
√144 = 12 because 12 × 12 = 144.
Convert 5/4 to a mixed number.
Answer: 1 1/4
5 ÷ 4 = 1 remainder 1, so 5/4 = 1 1/4.
A car travels 180 miles in 3 hours. What is its average speed?
Answer: 60 mph
Speed = distance ÷ time = 180 ÷ 3 = 60 mph.
What is (-5) × (-8)?
Answer: 40
A negative times a negative equals a positive, so (-5) × (-8) = 40.
What is the value of 2⁴ ÷ 2²?
Answer: 4
2⁴ ÷ 2² = 16 ÷ 4 = 4, or using exponent rules, 2^(4-2) = 2² = 4.
Which decimal is equivalent to 7/25?
Answer: 0.28
7/25 = 28/100 = 0.28.