Inference for categorical data (chi-square tests).Two-sample inference for the difference between groups.Significance tests (hypothesis testing).Counting, permutations, and combinations.Displaying and comparing quantitative data.Non-right triangles & trigonometry (Advanced).Exponents, radicals, and scientific notation.Equations, expressions, and inequalities.Transformations, congruence, and similarity.Negative numbers: multiplication and division.
Equivalent fractions and comparing fractions.And they’re even better than traditional math worksheets – more instantaneous, more interactive, and more fun! Just choose your grade level or topic to get access to 100% free practice questions: That’s because Khan Academy has over 100,000 free practice questions.
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