WorldWiseKids
Mathematics
Number sense through pre-algebra, geometry, and data — built step by step.
1Number Sense & Place ValueComing soonCounting, place value, and the four operations with whole numbers.
2Fractions, Decimals & PercentsReadyParts of a whole, how to combine them, and the three ways to write the same amount.3Ratios & Proportional ReasoningComing soonComparing quantities, scaling recipes, and solving proportions.
4Pre-Algebra & ExpressionsComing soonVariables, expressions, and solving simple equations.
5Geometry & MeasurementComing soonShapes, area and perimeter, angles, and units.
6Data & ProbabilityComing soonReading graphs, averages, and the basics of chance.