K–12 · intermediate
Algebra
Equations, factoring, and the habits of algebraic thinking.
Skills
36 skills in 11 sections — fundamentals first, then more specific topics. Practice each until Mastery Score 100.
A.Expressions & properties3 skills
B.Linear equations3 skills
C.Inequalities2 skills
D.Exponents5 skills
- D.1 Exponent Product RulePractice →Simplify x^m · x^n by adding exponents.
- D.2 Exponent Power RulePractice →Simplify (x^m)^n by multiplying exponents.
- D.3 Quotient Rule for ExponentsPractice →Simplify xᵐ / xⁿ by subtracting exponents.
- D.4 Negative ExponentsPractice →Evaluate powers with negative exponents as fractions.
- D.5 Scientific NotationPractice →Write large and small numbers in scientific notation.
E.Slope & linear graphs7 skills
- E.1 Slope Between PointsPractice →Find the slope through two points.
- E.2 Slope from a GraphPractice →Read rise over run from a graphed line and slope triangle.
- E.3 Slope-Intercept FormPractice →Rewrite Ax + By = C as y = mx + b.
- E.4 Slope–Intercept FeaturesPractice →Read slope m and y-intercept b from y = mx + b.
- E.5 Intercepts from a Line GraphPractice →Read x- and y-intercepts directly from a graphed line.
- E.6 Line Through Two PointsPractice →Find the slope–intercept equation (or m,b) from two graphed points.
- E.7 Which Graph Is This Line?Practice →Match y = mx + b to the correct graphed line.
F.Radicals & complex numbers3 skills
G.Systems of equations2 skills
H.Polynomials3 skills
I.Factoring4 skills
- I.1 Factor Out a GCFPractice →Factor the greatest common factor from a binomial.
- I.2 Difference of SquaresPractice →Factor x² − a² as (x−a)(x+a).
- I.3 Factoring TrinomialsPractice →Factor x² + bx + c into two binomials.
- I.4 Quadratic Roots (Factoring)Practice →Find roots of monic quadratics that factor cleanly.