ILTS Mathematics (208) study materials
ILTS Mathematics (208) study resources

ILTS Mathematics (208) study plan

ILTS Mathematics (208) · Give each week a clear focus.

8 weeks · About 7 hours per week

Week 1

Algebraic Reasoning and Functions

  • Classify and graph the four parent function families (linear, quadratic, absolute value, exponential) from their equations without a graphing calculator.

  • Derive slope-intercept, point-slope, and standard forms of a line and convert fluently among all three.

  • Solve and graph single-variable linear inequalities, including compound and absolute-value inequalities, and express solution sets in interval notation.

  • Interpret function notation, domain, and range for piecewise-defined functions at boundary points.

Your checkpoint

A 20-problem self-made quiz on linear and parent functions, scored and corrected with written error notes for each miss.

Week 2

Algebraic Reasoning and Functions

  • Factor polynomials of degree 2 through 4 using grouping, difference of squares, and sum/difference of cubes.

  • Solve quadratic equations by factoring, completing the square, and the quadratic formula, and verify roots by substitution.

  • Analyze parabolas to identify vertex, axis of symmetry, intercepts, and direction of opening from both standard and vertex form.

  • Apply the discriminant to predict the number and type of real roots of a quadratic.

Your checkpoint

A one-page reference sheet of factoring patterns and quadratic techniques, each illustrated by one worked example you solved independently.

Week 3

Algebraic Reasoning and Functions & Number Systems and Operations

  • Simplify rational expressions and solve rational equations, explicitly stating excluded values from the domain.

  • Simplify and combine radical expressions, and solve radical equations while checking for extraneous solutions.

  • Apply exponent rules to rewrite expressions with rational and negative exponents, moving between radical and exponent notation.

  • Translate real-world rate, mixture, and work problems into rational or linear equations and solve them.

Your checkpoint

A timed 25-minute mixed set of 12 rational/radical/exponent problems with a written log of which step consumed the most time per problem.

Week 4

Algebraic Reasoning and Functions

  • Solve systems of two and three linear equations using substitution, elimination, and matrix row reduction.

  • Distinguish consistent, inconsistent, and dependent systems by inspecting slopes and determinants.

  • Graph systems of linear inequalities and identify the feasible region and its vertices.

  • Model a word problem with a system of equations and justify why the solution satisfies all constraints.

Your checkpoint

A full-length timed section simulation of 30 algebra items completed in 45 minutes, with a score report by subtopic.

Week 5

Number Systems and Operations

  • Convert fluently among fractions, decimals, and percents, and order a mixed list of rational and irrational values without a calculator.

  • Apply prime factorization to compute GCD and LCM and to reduce complex fractions.

  • Compute with integers under order of operations, including nested grouping and negative exponents.

  • Solve percent-change, proportion, and ratio problems, including percent increase/decrease and simple/compound interest.

  • Perform operations in scientific notation and round results to a specified number of significant figures.

Your checkpoint

A 30-item number-systems diagnostic built from your own notes, with every item tagged to a skill and a target accuracy of at least 85 percent.

Week 6

Geometry and Measurement

  • Apply angle relationships (parallel lines cut by a transversal, triangle sum, exterior angle, polygon interior sum) to solve for unknown measures.

  • Use congruence and similarity criteria to prove triangles congruent or similar and to compute missing side lengths and scale factors.

  • Compute perimeter, area, surface area, and volume for composite figures, keeping units consistent.

  • Apply the Pythagorean theorem and distance/midpoint formulas in coordinate geometry problems.

Your checkpoint

A set of 10 original multi-step geometry problems with fully written justifications, each citing the theorem used.

Week 7

Statistics, Probability, and Data Analysis & Geometry and Measurement

  • Compute and interpret mean, median, mode, range, and standard deviation for a data set, and explain how outliers shift each measure.

  • Read and construct box plots, histograms, and scatterplots, and describe association, trend, and correlation versus causation.

  • Calculate probabilities for independent, dependent, and mutually exclusive events, including conditional probability and two-way tables.

  • Apply the fundamental counting principle and permutations/combinations to count outcomes.

  • Solve coordinate-geometry problems involving transformations and use geometric measurement to support a statistical claim.

Your checkpoint

A two-part data investigation: a 15-value data set you generate, its full descriptive statistics, and a 200-word interpretation of what the spread reveals.

Week 8

Mathematical Reasoning, Modeling, and Connections & Algebraic Reasoning and Functions & Statistics, Probability, and Data Analysis

  • Decompose a multi-step modeling problem into sub-goals, select an appropriate representation (equation, table, graph), and defend the choice.

  • Write and critique mathematical arguments, identifying flawed reasoning in sample student work.

  • Integrate skills from all five domains in mixed practice under timed conditions.

  • Review your error log across weeks 1 through 7 and re-solve every missed item to mastery.

Your checkpoint

A full-length timed practice test plus a written remediation plan listing each recurring error pattern and the specific corrective drill for it.

Milestones

Week 2: Score at least 80 percent on a self-made 15-item quadratic and polynomial quiz, with no calculator errors.

Week 4: Complete the 30-item timed algebra simulation at 75 percent or better and confirm every error is logged with a cause.

Week 6: Achieve at least 85 percent on the number-systems diagnostic and at least 75 percent on the 10-problem geometry justification set.

Week 8: Score at least 80 percent on the full-length timed practice test with no domain below 70 percent.