Arithmetic

Number Systems

1. Natural Numbers1–1.5 h
2. Integers1–1.5 h
3. Rational NumbersFractions as numbers, terminating vs repeating decimals1–1.5 h
4. Real Numbers OverviewNumber line, ordering, density1–1.5 h

Fractions, Decimals & Percentages

1. Fraction Operationsaddition, subtraction, multiplication, division, simplification1–1.5 h
2. Decimal Operationsplace value, rounding, significant digits intro1–1.5 h
3. Percentagespercent change, markup, discount, compound percent1–1.5 h
4. Ratios & Proportionsunit rates, scaling, cross multiplication1–1.5 h

Exponents & Roots

1. Integer Exponentsproduct/quotient/power rules, zero and negative exponents1–1.5 h
2. Roots & Radicalssquare/cube roots, fractional exponents, estimation1–1.5 h
3. Scientific Notationorder of magnitude, operations in scientific notation1–1.5 h
4. Order of OperationsPEMDAS, grouping symbols, evaluating expressions1–1.5 h