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Guides and solved exercises, subject by subject.

Analisi grammaticale

2 articles
Analisi grammaticale Definite and Indefinite Articles: Rules and 5 Solved Exercises The definite article 'the' points to something specific and known; the indefinite articles 'a' and 'an' introduce something general. Clear rules plus five solved exercises from easy to hard. Grade 6 · Grade 7 · Grade 8 5 exercises · level base Analisi grammaticale How to Do Grammatical Analysis: Parts of Speech with 5 Solved Sentences Grammatical analysis means labelling every word in a sentence with its part of speech and its features. A step-by-step guide to the parts of speech, plus five solved sentences from easy to hard. Grade 6 · Grade 7 · Grade 8 5 exercises · level base

Analisi logica

2 articles
Analisi logica The Subject of a Sentence: How to Find It and 5 Solved Exercises The subject is the part of a sentence that the predicate says something about: find it by asking the verb who? or what?. A clear guide, the tricky cases and five sentences solved step by step. Grade 6 · Grade 7 · Grade 8 5 exercises · level base Analisi logica How to Do Sentence Analysis: Subject, Predicate and 5 Solved Sentences Sentence analysis means identifying the function of each group of words in a sentence: subject, verb, objects and adverbials. A step-by-step guide plus five solved sentences from easy to hard. Grade 6 · Grade 7 · Grade 8 5 exercises · level base

Biologia

1 article
Biologia Mendelian genetics: Mendel's laws with solved exercises Mendel's three laws explained simply: genotype, phenotype and the Punnett square, with 5 solved, verified exercises and 3 FAQs for review. Grade 9 · Grade 10 5 exercises · level base

Chimica

2 articles
Chimica Moles and molar mass: solved exercises step by step What a mole is, how to calculate molar mass and how to convert between grams, moles and number of particles, with five solved exercises of increasing difficulty and verified answers. Grade 9 · Grade 10 5 exercises · level base Chimica Balancing Chemical Equations: Solved Exercises Step by Step How to balance a chemical equation using coefficients, step by step, with five solved exercises of increasing difficulty and verified answers. Grade 9 · Grade 10 5 exercises · level base

Diritto

1 article
Diritto The Italian Constitution: fundamental principles (Articles 1-12) with summary and solved exercises The fundamental principles of the Italian Constitution explained article by article, from labour and substantive equality to the repudiation of war, with the features of the Constitution, 5 solved exercises and 3 FAQs. Grade 11 · Grade 12 5 exercises · level intermedio

Economia

1 article
Economia Supply and Demand: Summary, Market Equilibrium and Solved Exercises Supply and demand explained: the two curves, equilibrium price, shifts versus movements along the curve, surplus and shortage, price elasticity, with 5 solved exercises and 3 FAQs. Grade 11 · Grade 12 5 exercises · level base

Filosofia

1 article
Filosofia The Presocratics: A Clear Summary with Chart and 5 Solved Exercises Who the Presocratic philosophers were and what they argued: the archē, the Milesian school, Pythagoras, Heraclitus, Parmenides, Empedocles, Anaxagoras and Democritus, with a summary chart, 5 solved exercises and 3 FAQs. Grade 11 · Grade 12 5 exercises · level intermedio

Fisica

2 articles
Fisica Uniformly Accelerated Motion: Solved Exercises and Formulas The formulas of uniformly accelerated motion explained and applied: v = v₀ + a·t, s = v₀·t + ½·a·t² and v² = v₀² + 2·a·s, with five solved and verified exercises. Grade 9 · Grade 10 5 exercises · level intermedio Fisica Uniform Motion: Solved Exercises and Formula Solve uniform (constant-velocity) motion problems step by step with s = s₀ + v·t and practise with five solved, verified exercises, from easy to advanced. Grade 9 · Grade 10 5 exercises · level base

Geografia

1 article
Geografia Structure of the Earth: A Simple Summary of the Layers with 5 Solved Exercises The internal structure of the Earth made simple: crust, mantle, outer and inner core, the discontinuities and seismic waves, with 5 solved exercises and 3 FAQs for quick revision. Grade 6 · Grade 7 · Grade 8 5 exercises · level base

Geometria

2 articles
Geometria Circumference and Area of a Circle: Formulas and Solved Exercises The formulas for circumference (C = 2πr) and area of a circle (A = πr²), how to work backwards to find the radius, and five solved exercises with verified step-by-step answers. Grade 8 · Grade 9 5 exercises · level base Geometria Area and Perimeter of Polygons: Solved Exercises From Easy to Hard The difference between area and perimeter, the formulas for the most common polygons, and five solved exercises of increasing difficulty with step-by-step verified answers. Grade 6 · Grade 7 · Grade 8 5 exercises · level base

Greco

1 article
Greco The Greek Alphabet: 24 Letters, Pronunciation and Solved Exercises The Greek alphabet explained simply: all 24 letters with names, transliteration and classroom pronunciation, plus final sigma, nasal gamma, breathings, 5 solved exercises and 3 FAQs. Grade 9 · Grade 10 5 exercises · level base

Latino

1 article
Latino The Five Latin Declensions: Guide with Worked Exercises The five Latin declensions explained simply: how to spot them from the genitive, the six cases and their endings, with 5 worked, verified exercises and 3 FAQs. Grade 9 · Grade 10 5 exercises · level base

Matematica

8 articles
Matematica Percentages: Solved Exercises and Formulas Explained How to calculate a percentage step by step: discounts, increases and reverse percentages, with five solved and verified exercises from easy to advanced. Grade 6 · Grade 7 · Grade 8 5 exercises · level base Matematica Operations With Fractions: Solved Exercises Step by Step How to add, subtract, multiply and divide fractions using the common denominator and the reciprocal rule, plus five solved exercises of increasing difficulty with verified answers. Grade 6 · Grade 7 · Grade 8 5 exercises · level base Matematica Laws of Exponents: Solved Exercises Step by Step The laws of exponents explained simply, with the rules for multiplying, dividing and raising powers, plus five solved exercises of increasing difficulty with verified answers. Grade 8 · Grade 9 5 exercises · level base Matematica Pythagorean Theorem: Solved Exercises From Easy to Hard What the Pythagorean theorem is and how to use it to find the hypotenuse or a leg, step by step, with five solved exercises of increasing difficulty and verified answers. Grade 8 · Grade 9 5 exercises · level base Matematica Systems of Equations: Solved Exercises With Substitution and Elimination How to solve a system of two linear equations using the substitution method and the elimination method, step by step, plus five solved exercises of increasing difficulty with verified answers. Grade 9 · Grade 10 5 exercises · level base Matematica Linear Inequalities: Solved Exercises and the Sign-Flip Rule How to solve a linear inequality step by step, with the key rule about flipping the inequality sign, plus five solved exercises of increasing difficulty with verified answers. Grade 8 · Grade 9 5 exercises · level base Matematica Linear Equations: Step-by-Step Solved Exercises How to solve a linear (first-degree) equation by isolating the unknown, with five solved exercises of increasing difficulty and verified answers. Grade 7 · Grade 8 5 exercises · level base Matematica Quadratic Equations: Solved Exercises From Easy to Hard How to solve a quadratic equation with the quadratic formula, step by step, plus four solved exercises of increasing difficulty with verified answers. Grade 9 · Grade 10 4 exercises · level base

Psicologia

1 article
Psicologia Classical conditioning (Pavlov): summary with diagram and 5 solved exercises What classical conditioning is: unconditioned stimulus, conditioned stimulus, acquisition, extinction, generalization and discrimination, explained through Pavlov's model, with 5 solved exercises and 3 FAQs. Grade 11 · Grade 12 5 exercises · level intermedio

Storia

2 articles
Storia Ancient Greece: A Simple Summary with Key Dates and 5 Solved Exercises Ancient Greece in a nutshell: the polis, Athens and Sparta, the Persian Wars, Pericles and Alexander the Great, with the essential dates, 5 solved exercises and 3 FAQs. Grade 6 · Grade 7 · Grade 8 5 exercises · level base Storia Ancient Egypt: A Simple Summary with Key Dates and 5 Solved Exercises Ancient Egypt in a nutshell: the Nile, the pharaoh, society, religion and hieroglyphs, with the essential dates, 5 solved exercises and 3 FAQs for quick revision. Grade 6 · Grade 7 · Grade 8 5 exercises · level base

Storia dell'arte

1 article
Storia dell'arte Ancient Greek art: a summary of the periods, orders and sculpture Ancient Greek art explained: the four periods with dates, the three architectural orders, sculpture from the kouros to the Doryphoros, the Parthenon and vase painting, with 5 solved exercises and 3 FAQs. Grade 9 · Grade 10 5 exercises · level base