DIDACTIC UNITS
Mathematics 3rd E.S.O.
Página actualizada por última vez el 8 Agosto, 2024
DIDACTIC UNIT : CONTENTS: Integers Definitions: absolut value, multiples and divisors, prime and composite numbers, LCM & GCF, etc. Operations with integers: addition, subtraction, multiplication and division. Hierarchy. Exercises. Fractions Definitions: irreducible fraction, equivalent fractions, etc. Operations with fractions: addition, multiplication and division. Combined operations and hierarchy. Types of decimals, and their corresponding fraction. Directly proportional distribution problems. Compound rule of 3. Exercises. Powers Positive-exponent powers. Laws of indexes. Negative-exponent powers. Scientific notation: operations and use of the calculator. Compound interest. Exercises. Radicals Definition of n-th root. Equivalent roots & simplification of roots. Operations with roots. Like radicals. Classification of real numbers. Intervals. Approximations & errors. Exercises. Sequences & progressions General term of a sequence. Arithmetic and geometric progressions. Sequences defined by a recurrence relation. The Fibonacci sequence. Exercises. Polynomials Monomials: definitions and operations. Numerical value of a polynomial. Operations with polynomials: addition, products, quotients. Ruffini's rule. Taking out common factor. Notable products. Factoring polynomials using Ruffini's method. Exercises. Equations and systems 1st-degree equations. Complete and incomplete 2nd-degree equations. Simultaneous equations: substitution, equating & elimination method. Exercises. Functions Concept of function. Definitions. Graph of a f(x). Properties of a function: Domain and range, increasing intervals, maxima and minima, symmetry, continuity, intersection points with axes, tendency & asymptotes. Straight lines. Slope. Forms of expressing lines: general form, gradient-intercept form & point-slope form. Parabolas. Hyperbolas. Exercises. Geometry Pythagoras theorem. Areas of shapes: triangles and quadrilaterals, polygons, circular figures. Surface areas & volumes: polyhedra, prisms, pyramids, cylinders, cones & sphere. Euler's formula. Exercises. Probability Definitions: sample space, types of events, etc. Operations with events: union and intersection. Laws of the operations among events. Laplace's rule. Laws of probability. Compound events. Tree diagrams. Exercises. Statistics Definitions. Frequencies and tables. Statistical graphs: column graphs, histograms, polygons, pie chart, etc. Measures of central tendency: mean, median, mode. Measures of spread: range, variance, standard deviation. Exercises.
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