Common Core

Pre-Algebra

10 topics

69 subtopics

1380+ questions

1380+ worked solutions

Numbers and operations

📐

15 subtopics

300 questions

Integers Adding and subtracting integers Multiplying and dividing integers Absolute value Rational numbers +10 more

Percentage

📐

3 subtopics

60 questions

Percentage Percent change Simple interest

Ratios and rates

📐

4 subtopics

80 questions

Ratios Rates and unit rates Scale and scale models Solving proportions

Proportional relationships

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3 subtopics

60 questions

Proportional relationships Constant of proportionality Proportional relationships and slope

Expressions and equations

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9 subtopics

180 questions

Writing and evaluating algebraic expressions Order of operations Equivalent expressions and properties of operations Solving one-step equations Solving two-step equations +4 more

Functions (introductory)

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5 subtopics

100 questions

Definition of a function Linear vs. non-linear functions Graphing linear equations (slope-intercept form) Modelling linear relationships (rate of change and initial value) Interpreting graphs of functions

Number sequences

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2 subtopics

40 questions

Arithmetic sequences Geometric sequences

Geometry

📐

14 subtopics

280 questions

Area of triangles, quadrilaterals and polygons Surface area using nets Volume of prisms and pyramids Circles: area and circumference Coordinate geometry — plotting and quadrants +9 more

Data and graphs

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9 subtopics

180 questions

Box and whisker plots Dot plots and histograms Mean, median, mode Measures of spread (range, IQR, MAD) Comparing data distributions +4 more

Probability (introductory)

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5 subtopics

100 questions

Probability of simple events Experimental vs. theoretical probability Probability of compound events Sample spaces (lists, tables, tree diagrams) Comparing two populations informally