Strategy lessons
Practice this topic
The bank includes 82 questions on number & quantity: 25 easy, 41 medium, 16 hard.
Why this question type matters on the PreACT 9
The PreACT 9 Math section has 38 questions in 45 minutes — a bit over a minute each. A calculator is allowed (the online test includes an on-screen one), but every problem is solvable without it, and mental-math fluency is what keeps you on pace.
Word problems test all the math topics in a real-world wrapper. The trick is to define a variable and translate carefully — keywords matter.
Other topics
Conventions of Standard EnglishProduction of WritingKnowledge of LanguagePre-AlgebraAlgebraFunctionsGeometryStatistics & ProbabilityModeling & Word ProblemsMain IdeaInferenceDetailVocabulary in ContextAuthor's PurposeEvidencePaired PassagesInterpretation of DataScientific InvestigationEvaluation of Models
Topics are aligned to 8th-grade Common Core standards. The actual CPS HSAT covers slightly more than these buckets but the core mix is the same.