Course
Math Foundations — Practice Problems with Worked Solutions
Start from zero: inputs, substitution, and the algebra moves every later course needs.. 227 problems across 14 skills, each solved step by step and verified by a computer algebra system.
- 227
- problems
- 14
- skills
- 5
- units
- 15
- formulas
Numbers and Operations
- Order of OperationsTurn a mixed expression into small, reliable moves.16 worked problems
- Signed NumbersUnderstand negative numbers instead of guessing sign rules.16 worked problems
- Fraction SenseSee fractions as numbers and operate on them with meaning.16 worked problems
- Ratios and PercentagesConnect parts, wholes, rates, and percent change.16 worked problems
Algebra Building Blocks
- Exponents and RootsBuild powers from multiplication and roots as their inverse.16 worked problems
- Algebraic ExpressionsDistribute and combine like terms without changing meaning.16 worked problems
- Linear EquationsKeep an equation balanced while isolating the unknown.16 worked problems
- Polynomial BasicsRead degree and coefficients, then combine and multiply polynomial terms.16 worked problems