Classroom Resources
Curated deep-link sets organized by curriculum unit. Move from a short warm-up to exploration and extension, then share the links with students — no login or installation required.
Choose the classroom moment before the unit name
Before searching all 35 units, start with the moment you need now. Each entrance opens a real unit with warm-up, exploration, and extension links.
Perimeter and Area of Polygons
Move geometric pieces and watch a memorized area formula assemble itself.
Elementary 5–6Prime Factorization
Split even numbers themselves and reach a 280-year-old open problem they can understand.
Grade 7Sets and Propositions
Ask whether the natural numbers or the even numbers are more numerous, then step into infinity and proof.
Grade 10The 2022 revision is being introduced by grade from 2024 through 2027. Grade placement, unit names, and achievement codes follow the official notice; official standard statements are preserved in Korean. The teaching topics are curriculum-neutral; alignments for additional countries can be added independently.
Find all 35 units by grade and curriculumIf you already know the unit you need, open the complete curriculum alignment and readiness map.
Elementary School
Perimeter and Area of Polygons
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Area of Polygons. Move from a short warm-up to hands-on exploration and an optional extension.
Circumference Ratio and Area of a Circle
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Area of a Circle and π. Move from a short warm-up to hands-on exploration and an optional extension.
Operations with Fractions and Decimals
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Fractions and Decimals. Move from a short warm-up to hands-on exploration and an optional extension.
Congruence and Symmetry
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Congruence and Symmetry. Move from a short warm-up to hands-on exploration and an optional extension.
Ratio and Proportion
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Ratio and Proportion. Move from a short warm-up to hands-on exploration and an optional extension.
Surface Area and Volume of Solids
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Surface Area and Volume of Solids. Move from a short warm-up to hands-on exploration and an optional extension.
Grade 7
Integers and Rational Numbers
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Integers and Rational Numbers. Move from a short warm-up to hands-on exploration and an optional extension.
Prime Factorization
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Prime Factorization. Move from a short warm-up to hands-on exploration and an optional extension.
Algebraic Expressions and Linear Equations
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Linear Equations and the Birth of Algebra. Move from a short warm-up to hands-on exploration and an optional extension.
Coordinate Plane and Graphs
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Coordinate Plane and Graphs. Move from a short warm-up to hands-on exploration and an optional extension.
Basic Figures and Construction
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Basic Figures and Compass-Straightedge Construction. Move from a short warm-up to hands-on exploration and an optional extension.
Properties of Solid Figures
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Properties of Solid Figures. Move from a short warm-up to hands-on exploration and an optional extension.
Grade 8
Properties of Triangles and Quadrilaterals
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Properties of Triangles and Quadrilaterals. Move from a short warm-up to hands-on exploration and an optional extension.
Pythagorean Theorem
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Pythagorean Theorem. Move from a short warm-up to hands-on exploration and an optional extension.
Counting and Probability
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Probability. Move from a short warm-up to hands-on exploration and an optional extension.
Rational Numbers and Repeating Decimals
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Rational Numbers and Repeating Decimals. Move from a short warm-up to hands-on exploration and an optional extension.
Similarity of Figures
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Similarity of Figures. Move from a short warm-up to hands-on exploration and an optional extension.
Algebraic Calculation, Inequalities, and Simultaneous Equations
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Algebraic Calculation, Inequalities, and Simultaneous Equations. Move from a short warm-up to hands-on exploration and an optional extension.
Linear Functions and Their Graphs
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Linear Functions and Their Graphs. Move from a short warm-up to hands-on exploration and an optional extension.
Grade 9
Square Roots and Real Numbers
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Square Roots and Real Numbers. Move from a short warm-up to hands-on exploration and an optional extension.
Properties of Circles
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Properties of Circles — Inscribed Angles and Tangents. Move from a short warm-up to hands-on exploration and an optional extension.
Trigonometric Ratios
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Trigonometric Ratios — Measuring the Unreachable. Move from a short warm-up to hands-on exploration and an optional extension.
Statistics — Central Tendency, Dispersion, Correlation
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Statistics — Reading Truth from Data. Move from a short warm-up to hands-on exploration and an optional extension.
Polynomial Multiplication, Factorization, Quadratic Equations and Functions
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Factorization, Quadratic Equations and Quadratic Functions. Move from a short warm-up to hands-on exploration and an optional extension.
High School
Sequences and Series
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Sequences, Limits and Series. Move from a short warm-up to hands-on exploration and an optional extension.
Complex Numbers
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Complex Numbers — Born from Equations. Move from a short warm-up to hands-on exploration and an optional extension.
Sets and Propositions
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Sets and Logic — How to Count Infinity. Move from a short warm-up to hands-on exploration and an optional extension.
Differentiation and Integration
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Differentiation and Integration — The Birth of Calculus. Move from a short warm-up to hands-on exploration and an optional extension.
Counting and Matrices
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Counting and Matrices. Move from a short warm-up to hands-on exploration and an optional extension.
Equations of Figures
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Equations of Figures. Move from a short warm-up to hands-on exploration and an optional extension.
Probability Distributions and Statistical Inference
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Probability Distributions and Statistical Inference. Move from a short warm-up to hands-on exploration and an optional extension.
Polynomials
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Polynomials. Move from a short warm-up to hands-on exploration and an optional extension.
Functions and Graphs
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Functions and Graphs. Move from a short warm-up to hands-on exploration and an optional extension.
Exponential, Logarithmic, and Trigonometric Functions
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Exponential, Logarithmic, and Trigonometric Functions. Move from a short warm-up to hands-on exploration and an optional extension.
Conic Sections, Solid Geometry, and Vectors
A classroom-ready sequence of visual explanations, historical stories, puzzles, and stable deep links for teaching Conic Sections, Solid Geometry, and Vectors. Move from a short warm-up to hands-on exploration and an optional extension.
Complete curriculum map
Korea National Mathematics Curriculum (2022 Revision): 38 of 38 units have classroom resources