Free ACT Number and Quantity practice questionsEnhanced ACT, 2026 format
Number properties, exponents, roots, complex numbers, and matrices at the level the ACT expects, usually in one or two steps.
Answer each question, then read why the right answer is right and why the tempting one is wrong.
Question 1
Math
What is the least common multiple of 18 and 24?
Question 2
Math
For all nonzero values of x, (2x³)⁴ is equivalent to:
Question 3
Math
If x is a positive real number and x^(3/2) = 27, what is the value of x?
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