Free Practice Exercises to Boost Your Logical Thinking

First-degree equations, isolating variables, linear systems, and elementary factoring.

Calculation of areas, perimeters, Pythagorean theorems, and polygon properties.

Combined operations, fractions, ratios, proportions, and rule of three.

Syllabus of grammatical structures and rules.

Key words and useful expressions.

Reading comprehension and text analysis.

Maps, continents, and political organization.

Study of landforms and climate zones.

Main cities and capitals of each nation.

Historical processes, ancient civilizations, revolutions, and world events.

Egypt, Greece, Rome, early civilizations, and classical culture.

Revolutions, social changes, independence, and the contemporary world.

Cells, living things, body systems, ecosystems, and vital functions.

Cell parts, organelles, DNA, mitosis, and cellular functions.

Environment, biodiversity, food chains, and natural balance.

Matter, chemical elements, mixtures, reactions, acids, and bases.

Symbols, periodic table, metals, non-metals, and atomic number.

Chemical changes, equations, combustion, oxidation, and neutralization.

Micro and macroeconomics concepts: supply, demand, inflation, GDP, and market structures.

Consumer and firm behavior, price formation, and market structures.

Global analysis: employment, inflation, fiscal and monetary policies, and country growth.

Keywords for daily life, adjectives, irregular verbs, and common expressions.