79 article in this category. | 79 articles in this category.
IB Mathematics guide comparing Analysis and Approaches versus Applications and Interpretation, plus Standard and Higher Level, assessment, and how to choose the right course.
IB Physics guide to the 2025 syllabus, its five themes, Standard and Higher Level, the scientific investigation, and practical study methods for Diploma students.
Learn what vectors are, how to add and scale them, find magnitude, and use the dot and cross products, with worked examples and geometry.
Learn supply and demand with the law of demand, the law of supply, equilibrium price, shortages, and surpluses, explained with simple examples.
Understand the periodic table by reading it as a map where atomic number sets position, rows show shells, and columns group similar chemistry.
Logarithms explained: what a log means, the product, quotient, and power rules, the change of base formula, and how logs connect to exponents, with examples.
Matrices explained: what they are, how to add and multiply them, determinants, the identity matrix, and matrix inverses, with worked examples.
Number theory explained: primes, divisibility, greatest common divisor, modular arithmetic, and the Euclidean algorithm, with worked examples and why it matters.
Probability runs from 0 to 1. Learn the addition rule, multiplication rule, conditional probability, and binomial formula with worked examples.
Functions explained: what makes a rule a function, how to read domain and range, how to graph and transform functions, and how composition works, with examples.
Genetics explained: DNA structure, the central dogma, Mendelian inheritance, and mutations, with worked Punnett squares and study steps.
Exponents explained: the product, quotient, and power rules, plus negative and fractional exponents, with plain worked examples you can copy and check.