Yamaguchi Prefectural Public High School Entrance Examination - Mathematics study plan
Yamaguchi Prefectural Public High School Entrance Examination - Mathematics · Give each week a clear focus.
8 weeks · About 7 hours per week
Numbers and Algebraic Expressions (数と式) & Equations and Inequalities / Functions (方程式・不等式、関数)
Expand and simplify 30 expressions involving monomials, polynomials, and the distributive law without a calculator, checking each answer by substitution.
Factor 25 quadratic expressions of the forms x²+(a+b)x+ab and a²−b², and explain in writing why each factorization is correct.
Solve 20 linear equations and 10 simultaneous systems in two variables by both substitution and elimination, recording which method was faster and why.
Compute with square roots: simplify 15 radical expressions and rationalize 10 denominators, stating the rule used at each step.
Your checkpoint
A 40-problem self-made worksheet on expansion, factorization, linear equations, and radicals, solved with at least 90% correct and every error annotated with its cause.
Numbers and Algebraic Expressions (数と式) & Equations and Inequalities / Functions (方程式・不等式、関数)
Solve 15 linear inequalities and represent each solution set on a number line, including cases that flip the inequality sign.
Translate 10 short word problems into equations or inequalities and solve them, labeling the unknown clearly before writing the equation.
Solve 8 simultaneous equations with fractional or decimal coefficients by first clearing denominators.
State and apply the conditions for a system of two linear equations to have one solution, no solution, or infinitely many solutions.
Your checkpoint
A one-page summary sheet of equation and inequality solution procedures plus 20 solved word problems, each with the defining equation written above the working.
Quadratic Functions and Proportional/Inverse Relations (関数 y=ax², 比例・反比例) & Equations and Inequalities / Functions (方程式・不等式、関数)
Sketch the graphs of y=ax² for five values of a and describe in writing how the sign and magnitude of a affect width and direction.
Convert 12 quadratic functions between standard form and vertex form by completing the square, and read off the vertex and axis of symmetry.
Determine the maximum or minimum value of 10 quadratic functions on a stated interval, distinguishing the vertex case from the endpoint case.
Solve 10 problems combining proportional and inverse proportional relations, including determining the constant of proportionality from given data.
Your checkpoint
A graph-and-annotation portfolio of 10 quadratic functions showing vertex, intercepts, axis of symmetry, and maximum or minimum value, with a written comparison of y=ax² behavior for different a.
Quadratic Functions and Proportional/Inverse Relations (関数 y=ax², 比例・反比例) & Equations and Inequalities / Functions (方程式・不等式、関数)
Model and solve 8 rate, mixture, and motion problems that reduce to quadratic equations, rejecting extraneous roots with a written reason.
Solve 10 quadratic equations by factoring, completing the square, and the quadratic formula, and verify which method suits each form.
Interpret the discriminant for 10 equations and state the number of real solutions without fully solving.
Connect the intersection points of a line and a parabola to the solution of the corresponding simultaneous equations in 6 worked examples.
Your checkpoint
A timed 30-minute test of 12 quadratic-function and equation problems scoring at least 80%, with a written error log.
Figures and Measurement / Geometry (図形, 図形と計量) & Properties of Figures and Proof (図形の性質と証明)
Apply the Pythagorean theorem and similar-triangle ratios to 15 right-triangle problems, drawing and labeling each figure before calculating.
Compute areas and volumes of 10 composite figures built from triangles, circles, prisms, and pyramids, showing each decomposition step.
State and use the inscribed-angle and tangent-chord relationships to find 10 unknown angles, justifying each step by naming the theorem.
Write full two-column or paragraph proofs for 5 congruence and similarity claims, citing the exact condition used (side-angle-side, angle-angle, and so on).
Your checkpoint
A proof notebook containing 5 complete written proofs plus 15 fully labeled geometry diagrams with calculations, each proof checked for a stated conclusion and cited reasons.
Figures and Measurement / Geometry (図形, 図形と計量) & Properties of Figures and Proof (図形の性質と証明)
Solve 10 problems on circle properties, including chord, tangent, and arc relationships, and write the theorem used beside each answer.
Use similarity ratios to compute unknown lengths and areas in 8 figures, distinguishing length ratio from area ratio.
Identify and correct 5 flawed proofs by locating the missing condition or unjustified step.
Construct 3 accurate scale drawings with compass and straightedge procedures described in words, then verify a claimed property by measurement.
Your checkpoint
A corrected-proof set of 5 repaired proofs, each with the original flaw described in two or three sentences and the corrected reasoning written in full.
Data Handling and Probability (資料の活用, 確率) & Numbers and Algebraic Expressions (数と式)
Compute relative frequencies and means from 5 data sets, and choose and justify an appropriate representative value for each.
Solve 12 probability problems using counting of equally likely outcomes, including cases with and without replacement, listing the sample space explicitly.
Read and interpret 5 tables and graphs, writing one sentence on a misleading feature or limitation of each.
Apply number and expression skills to 10 data-handling items involving ratios, percentages, and averages.
Your checkpoint
A probability-and-data problem set of 20 items solved with sample spaces shown, plus a short written critique of 3 graphs identifying misleading scales or labels.
Mathematical Thinking, Explanation and Expression (数学的な見方・考え方, 記述) & Figures and Measurement / Geometry (図形, 図形と計量) & Quadratic Functions and Proportional/Inverse Relations (関数 y=ax², 比例・反比例)
Write 6 explanation-type answers in which you state the strategy, show the reasoning, and give the conclusion in complete sentences within a set time limit.
Complete two full mock papers under exam timing and score them against a marking scheme, recording time spent per section.
Classify every mock error by domain and by cause (concept, calculation, misreading, time), then list your three weakest items.
Re-solve the 10 most frequent error types from your log and confirm each is now correct without notes.
Your checkpoint
Two completed timed mock papers with a domain-by-domain error table and a one-page final review sheet of the three weakest topics with corrected worked examples.
Milestones
Week 2: Score at least 85% on a self-made 25-item test of expansion, factorization, linear equations, and inequalities, with no repeated error type from week 1.
Week 4: Score at least 80% on the 12-problem timed quadratic test and correctly state the vertex and extremum for 8 of 10 functions from memory.
Week 6: Complete 5 geometry proofs independently, each with every reason cited and no missing congruence or similarity condition.
Week 8: Achieve at least 75% overall on both timed mock papers, with no domain below 60% and a written error table covering every mistake.