Word problems without equations: 13 arithmetic methods and 36 worked problems
A toolkit for primary school: 13 strategies, 36 word problems, concrete examples and step-by-step solutions to reveal only after trying for yourself.
ReadMathematics
Articles by topic
Clear, organized learning paths that build strong foundations in mathematics and computer science.
Arithmetic
GCD and LCM: faster alternative methods
The Euclidean algorithm, the product/GCD formula, and step-by-step GCD and LCM calculations for three numbers.
Read
Geometry
Line symmetry: eight exercises with drawn solutions
Eight line-symmetry exercises for first-year middle school, with clear drawings and illustrated solutions: segments, triangles, four letters and coordinates.
Read
Sets
Sets: first steps and Venn diagrams
Elements, subsets and first operations, with twelve solved exercises and an interactive Venn lab.
ReadArticles 1–4 of 4