Pre-Algebra and Number Properties
These Pre-Algebra and Number Properties questions are aligned with the ACT from ACT, Inc. in United States.
Select a difficulty level to start practicing. Easy exams are free. Medium and hard exams require a premium subscription.
Most of these skills are what ACT reports as Integrating Essential Skills (20% of the Math section: rates and percentages, proportional relationships, average and median); number-system questions fall under Number and Quantity (10-12%). Topics include integers, fractions, decimals, ratios, percentages, factors, multiples, and basic statistics - concepts that underlie almost every other ACT Math topic. Practice with these tests to solidify the numerical fluency that is the foundation of a strong ACT Math score.