Lower Secondary Mathematics comprises of over 100 highly interactive, mobile lessons covering the obligatory topics for Mathematics at the Lower Secondary level. Hundreds of striking multimedia presentations complement traditional lectures and place difficult mathematical problems into easy to relate to real-life contexts. Vivid multi-media solutions such as high quality interactive pages including illustrations, animations, films, 3D models, tests and activities enhance pupils’ understanding of this subject.
Here you can view and try out our state-of-the-art, fully interactive demo lessons specially designed for today's mobile-oriented education. See how our content can enhance and complement modern teaching.
\n \n \n \n number,\n \n \n \n \n \n solving,\n \n \n \n \n \n angle,\n \n \n \n \n \n (1),\n \n \n \n \n \n equations,\n \n \n \n \n \n graphs,\n \n \n \n \n \n tangent,\n \n \n \n \n \n graph,\n \n \n \n \n \n (2),\n \n \n \n \n \n triangle,\n \n \n \n \n \n measures,\n \n \n \n \n \n fraction,\n \n \n \n \n \n trigonometric,\n \n \n \n \n \n functions,\n \n \n \n \n \n linear,\n \n \n \n \n \n sine,\n \n \n \n \n \n equation,\n \n \n \n \n \n problems,\n \n \n \n \n \n probability,\n \n \n \n \n \n theorem,\n \n \n \n \n \n geometry,\n \n \n \n \n \n cosine,\n \n \n \n \n \n algebraic,\n \n \n \n \n \n circle,\n \n \n \n \n \n formula,\n \n \n \n \n \n involving,\n \n \n \n \n \n right,\n \n \n \n \n \n ratio,\n \n \n \n \n \n plane,\n \n \n \n \n \n area,\n \n \n \n \n \n areas,\n \n \n \n \n \n expression,\n \n \n \n \n \n quadratic,\n \n \n \n \n \n data,\n \n \n \n \n \n different,\n \n \n \n \n \n properties,\n \n \n \n \n \n decimal,\n \n \n \n \n \n variable,\n \n \n \n \n \n logic,\n \n \n \n \n \n polygon,\n \n \n \n \n \n origin,\n \n \n \n \n \n trigonometry,\n \n \n \n \n \n plot,\n \n \n \n \n \n volume,\n \n \n \n \n \n surface,\n \n \n \n \n \n monomial,\n \n \n \n \n \n frequency,\n \n \n \n \n \n line,\n \n \n \n \n \n system,\n \n \n \n \n \n reasoning,\n \n \n \n \n \n statement,\n \n \n \n \n \n proof,\n \n \n \n \n \n mathematical,\n \n \n \n \n \n coordinate,\n \n \n \n \n \n roots,\n \n \n \n \n \n radius,\n \n \n \n \n \n quartile,\n \n \n \n \n \n general,\n \n \n \n \n \n fractions,\n \n \n \n \n \n multiplication,\n \n \n \n \n \n trinomial,\n \n \n \n \n \n proportion,\n \n \n \n \n \n value,\n \n \n \n \n \n events,\n \n \n \n \n \n transformation,\n \n \n \n \n \n centre,\n \n \n \n \n \n vector,\n \n \n \n \n \n segment,\n \n \n \n \n \n solutions,\n \n \n \n \n \n side,\n \n \n \n \n \n percentage,\n \n \n \n \n \n use,\n \n \n \n \n \n function,\n \n \n \n \n \n central,\n \n \n \n \n \n square,\n \n \n \n \n \n arbitrary,\n \n \n \n \n \n change,\n \n \n \n \n \n gradient,\n \n \n \n \n \n curve,\n \n \n \n \n \n triangles,\n \n \n \n \n \n using,\n \n \n \n \n \n population,\n \n \n \n \n \n random,\n \n \n \n \n \n inequalities,\n \n \n \n \n \n problem,\n \n \n \n \n \n factor,\n \n \n \n \n \n transforming,\n \n \n \n \n \n polynomial,\n \n \n \n \n \n power,\n \n \n \n \n \n arithmetic,\n \n \n \n \n \n exponent,\n \n \n \n \n \n powers,\n \n \n \n \n \n point,\n \n \n \n \n \n simple,\n \n \n \n \n \n dividing,\n \n \n \n \n \n construction,\n \n \n \n \n \n locus,\n \n \n \n \n \n simultaneous,\n \n \n \n \n \n position,\n \n \n \n \n \n circles,\n \n \n \n \n \n division,\n \n \n \n \n \n Pythagoras,\n \n \n \n \n \n Pythagorean,\n \n \n \n \n \n statistics,\n \n \n \n \n \n five,\n \n \n \n \n \n histogram,\n \n \n \n \n \n ratios,\n \n \n \n \n \n diagonal,\n \n \n \n \n \n sector,\n \n \n \n \n \n arc,\n \n \n \n \n \n quadrilateral,\n \n \n \n \n \n inscribed,\n \n \n \n \n \n median,\n \n \n \n \n \n period,\n \n \n \n \n \n mode,\n \n \n \n \n \n approximate,\n \n \n \n \n \n prime,\n \n \n \n \n \n property,\n \n \n \n \n \n translations,\n \n \n \n \n \n reflections,\n \n \n \n \n \n decimals,\n \n \n \n \n \n rational,\n \n \n \n \n \n binomial,\n \n \n \n \n \n rate,\n \n \n \n \n \n density,\n \n \n \n \n \n scale,\n \n \n \n \n \n rule,\n \n \n \n \n \n solids,\n \n \n \n \n \n direct,\n \n \n \n \n \n polygons,\n \n \n \n \n \n shapes,\n \n \n \n \n \n relative,\n \n \n \n \n \n cumulative,\n \n \n \n \n \n systems,\n \n \n \n \n \n algebra,\n \n \n \n \n \n inequality,\n \n \n \n \n \n shape,\n \n \n \n \n \n similarity,\n \n \n \n \n \n divisibility,\n \n \n \n \n \n factorisation,\n \n \n \n \n \n squares,\n \n \n \n \n \n regression,\n \n \n \n \n \n comparing,\n \n \n \n \n \n sets,\n \n \n \n \n \n image,\n \n \n \n \n \n trial,\n \n \n \n \n \n error,\n \n \n \n \n \n root,\n \n \n \n \n \n decomposition,\n \n \n \n \n \n vectors,\n \n \n \n \n \n concept,\n \n \n \n \n \n classical,\n \n \n \n \n \n situations,\n \n \n \n \n \n range,\n \n \n \n \n \n scaling,\n \n \n \n \n \n standard,\n \n \n \n \n \n variability,\n \n \n \n \n \n positive,\n \n \n \n \n \n parallel,\n \n \n \n \n \n compass,\n \n \n \n \n \n ruler,\n \n \n \n \n \n ruler-and-compass,\n \n \n \n \n \n constructions,\n \n \n \n \n \n Ruler-and-compass constructions,\n \n \n \n \n \n coefficient,\n \n \n \n \n \n correlation,\n \n \n \n \n \n two,\n \n \n \n \n \n mutual,\n \n \n \n \n \n claim,\n \n \n \n \n \n assumption,\n \n \n \n \n \n space,\n \n \n \n \n \n set,\n \n \n \n \n \n diagram,\n \n \n \n \n \n increase,\n \n \n \n \n \n decrease,\n \n \n \n \n \n profit,\n \n \n \n \n \n percentages,\n \n \n \n \n \n denominator,\n \n \n \n \n \n sampling,\n \n \n \n \n \n box,\n \n \n \n \n \n summary,\n \n \n \n \n \n experiment,\n \n \n \n \n \n observation,\n \n \n \n \n \n handing,\n \n \n \n \n \n calculator,\n \n \n \n \n \n use of a calculator,\n \n \n \n \n \n application,\n \n \n \n \n \n pyramid,\n \n \n \n \n \n cube,\n \n \n \n \n \n 3-d,\n \n \n \n \n \n circumference,\n \n \n \n \n \n perfect,\n \n \n \n \n \n compound,\n \n \n \n \n \n multiplying,\n \n \n \n \n \n sequence,\n \n \n \n \n \n model,\n \n \n \n \n \n factorising,\n \n \n \n \n \n deduction,\n \n \n \n \n \n study,\n \n \n \n \n \n mean,\n \n \n \n \n \n case,\n \n \n \n \n \n measure,\n \n \n \n \n \n tendency,\n \n \n \n \n \n stemplot,\n \n \n \n \n \n figure,\n \n \n \n \n \n rectangle,\n \n \n \n \n \n values,\n \n \n \n \n \n daily,\n \n \n \n \n \n measuring,\n \n \n \n \n \n independent,\n \n \n \n \n \n minimum,\n \n \n \n \n \n maximum,\n \n \n \n \n \n equilateral,\n \n \n \n \n \n trapezium,\n \n \n \n \n \n center,\n \n \n \n \n \n parabola,\n \n \n \n \n \n term,\n \n \n \n \n \n rotations,\n \n \n \n \n cones,\n \n \n \n Volume and surface area of cones,\n \n \n \n recurring,\n \n \n \n decimals and fractions,\n \n \n \n formulas,\n \n \n \n shortcuts,\n \n \n \n multiplication formulas,\n \n \n \n average,\n \n \n \n speed,\n \n \n \n rates,\n \n \n \n acceleration,\n \n \n \n rates of change,\n \n \n \n tangents,\n \n \n \n Tangents to graphs,\n \n \n \n pyramids,\n \n \n \n Volume and surface area of pyramids,\n \n \n \n cross,\n \n \n \n comparison,\n \n \n \n proportions,\n \n \n \n arrangements,\n \n \n \n counting,\n \n \n \n permutations,\n \n \n \n Counting problems,\n \n \n \n relationship,\n \n \n \n similar,\n \n \n \n volumes,\n \n \n \n volumes of similar solids,\n \n \n \n inverse,\n \n \n \n inverse proportion,\n \n \n \n areas of plane shapes (1),\n \n \n \n analyse,\n \n \n \n samples,\n \n \n \n expected,\n \n \n \n using probability to analyse random events,\n \n \n \n solution,\n \n \n \n Using graphs (2),\n \n \n \n inequalities (1),\n \n \n \n problem solving,\n \n \n \n (by,\n \n \n \n grouping),\n \n \n \n factorisation (by grouping),\n \n \n \n least,\n \n \n \n interpolation,\n \n \n \n extrapolation,\n \n \n \n regression line,\n \n \n \n tables,\n \n \n \n analysing,\n \n \n \n analysing and comparing sets of data,\n \n \n \n absolute,\n \n \n \n various,\n \n \n \n Transforming graphs of various functions,\n \n \n \n symmetry,\n \n \n \n reflection,\n \n \n \n Solving equations by trial and error (1),\n \n \n \n index,\n \n \n \n indices,\n \n \n \n roots and indices,\n \n \n \n Equation of a circle,\n \n \n \n forces,\n \n \n \n applications,\n \n \n \n velocity,\n \n \n \n displacements,\n \n \n \n applications of vectors,\n \n \n \n Transforming graphs of trigonometric functions (2),\n \n \n \n modeling,\n \n \n \n real-life,\n \n \n \n solving problems involving quadratic equations (2),\n \n \n \n classical concept of probability (1),\n \n \n \n deviation,\n \n \n \n variance,\n \n \n \n measures of variability (1),\n \n \n \n lattice,\n \n \n \n perpendicular,\n \n \n \n bisector,\n \n \n \n locus (1),\n \n \n \n relationships,\n \n \n \n variables,\n \n \n \n Solving simultaneous linear equations (1),\n \n \n \n distance,\n \n \n \n Mutual position of two circles,\n \n \n \n dividend,\n \n \n \n divisor,\n \n \n \n general division,\n \n \n \n triples,\n \n \n \n Pythagorean theorem,\n \n \n \n assumptions,\n \n \n \n problem assumptions,\n \n \n \n tree,\n \n \n \n possible,\n \n \n \n possibility,\n \n \n \n outcomes,\n \n \n \n The set of possible outcomes,\n \n \n \n trigonometric equations (2),\n \n \n \n solving problems involving percentages,\n \n \n \n numerator,\n \n \n \n discriminant,\n \n \n \n the quadratic formula,\n \n \n \n form,\n \n \n \n unit,\n \n \n \n standard index form,\n \n \n \n sample,\n \n \n \n techniques,\n \n \n \n sampling techniques,\n \n \n \n operation,\n \n \n \n union,\n \n \n \n subset,\n \n \n \n cardinal,\n \n \n \n skewness,\n \n \n \n Pearson,\n \n \n \n other,\n \n \n \n cubic,\n \n \n \n reciprocal,\n \n \n \n other functions,\n \n \n \n quality,\n \n \n \n quantities,\n \n \n \n directions,\n \n \n \n equal,\n \n \n \n magnitudes,\n \n \n \n unequal,\n \n \n \n multiple,\n \n \n \n scalar,\n \n \n \n scalar multiple,\n \n \n \n natural,\n \n \n \n integers,\n \n \n \n whole number,\n \n \n \n integer,\n \n \n \n solving problems involving simultaneous equations,\n \n \n \n Prism,\n \n \n \n Application of the Pythagorean theorem in 3-D,\n \n \n \n The circle,\n \n \n \n Solving quadratic equations,\n \n \n \n its,\n \n \n \n a function and its graph,\n \n \n \n independence,\n \n \n \n experiments,\n \n \n \n Solving simple problems in probability,\n \n \n \n product,\n \n \n \n out,\n \n \n \n brackets,\n \n \n \n bracket,\n \n \n \n multiplying out the brackets,\n \n \n \n experimental,\n \n \n \n distinguish,\n \n \n \n subjective,\n \n \n \n Classical concept of probability (2),\n \n \n \n reading,\n \n \n \n real-world,\n \n \n \n graphs and real-world situations,\n \n \n \n relation,\n \n \n \n direct proportion,\n \n \n \n angles,\n \n \n \n semicircle,\n \n \n \n cyclic,\n \n \n \n Inscribed and central angles,\n \n \n \n event,\n \n \n \n process,\n \n \n \n processes,\n \n \n \n outcome,\n \n \n \n elementary,\n \n \n \n Random processes,\n \n \n \n pattern,\n \n \n \n looking,\n \n \n \n looking for the pattern,\n \n \n \n similarity - solving problems,\n \n \n \n table,\n \n \n \n cumulative frequency curve,\n \n \n \n straight,\n \n \n \n slope,\n \n \n \n equation of a straight line,\n \n \n \n Transforming graphs of trigonometric functions (1),\n \n \n \n inequalities (2),\n \n \n \n more,\n \n \n \n more factorisation,\n \n \n \n solving problems involving trigonometric equations,\n \n \n \n venn,\n \n \n \n deductive,\n \n \n \n deductive reasoning,\n \n \n \n depression,\n \n \n \n elevation,\n \n \n \n solving problems involving trigonometric ratios,\n \n \n \n right-angled,\n \n \n \n trigonometric ratios in a right triangle,\n \n \n \n scatter,\n \n \n \n case study (2),\n \n \n \n rotation,\n \n \n \n trigonometry of a general angle,\n \n \n \n measures of central tendency - the mode,\n \n \n \n the median,\n \n \n \n one,\n \n \n \n linear equations,\n \n \n \n solving linear equations,\n \n \n \n dot,\n \n \n \n representing,\n \n \n \n representing data,\n \n \n \n exterior,\n \n \n \n factorization,\n \n \n \n (other,\n \n \n \n methods),\n \n \n \n factorisation (other methods),\n \n \n \n weighted,\n \n \n \n Measures of central tendency - the arithmetic mean,\n \n \n \n parallelogram,\n \n \n \n quadrilaterals,\n \n \n \n their,\n \n \n \n kite,\n \n \n \n rhombuses,\n \n \n \n quadrilaterals and their properties,\n \n \n \n theorems,\n \n \n \n Circle theorems,\n \n \n \n subject,\n \n \n \n changing,\n \n \n \n changing the subject of the formula,\n \n \n \n elimination,\n \n \n \n graphing,\n \n \n \n substitution,\n \n \n \n Solving simultaneous linear equations (2),\n \n \n \n linear function,\n \n \n \n construct,\n \n \n \n interpolations,\n \n \n \n measuring (1),\n \n \n \n regular,\n \n \n \n polygons and regular polygons,\n \n \n \n lunes,\n \n \n \n hippocrates,\n \n \n \n areas of plane shapes (2),\n \n \n \n surd,\n \n \n \n powers and roots,\n \n \n \n complex,\n \n \n \n examples,\n \n \n \n geometric,\n \n \n \n Solving problems involving quadratic equations (1),\n \n \n \n Independent events (1),\n \n \n \n stem,\n \n \n \n outlier,\n \n \n \n summery,\n \n \n \n measures of variability,\n \n \n \n rhombus,\n \n \n \n 2-d,\n \n \n \n Application of the Pythagorean theorem in 2-D,\n \n \n \n circumscribed,\n \n \n \n Circles inscribed and circumscribed,\n \n \n \n numbers,\n \n \n \n irrational,\n \n \n \n irrational numbers,\n \n \n \n statements,\n \n \n \n mathematical statements,\n \n \n \n coordinates,\n \n \n \n cartesian,\n \n \n \n polar,\n \n \n \n prime factor decomposition,\n \n \n \n non-linear,\n \n \n \n Using graphs (1),\n \n \n \n reduction,\n \n \n \n properties of trigonometric functions of a general angle (2),\n \n \n \n trigonometric equations (1),\n \n \n \n under,\n \n \n \n approximating,\n \n \n \n Area under a curve,\n \n \n \n Mutual position of a line and a circle,\n \n \n \n method,\n \n \n \n bisection,\n \n \n \n solving equations by trial and error (2),\n \n \n \n geometrical,\n \n \n \n loci,\n \n \n \n Graphs of simple loci,\n \n \n \n exclusive,\n \n \n \n mutually,\n \n \n \n mutually exclusive events,\n \n \n \n understanding,\n \n \n \n demonstration,\n \n \n \n understanding the theorem,\n \n \n \n remainder,\n \n \n \n specification,\n \n \n \n problem specification,\n \n \n \n occurring,\n \n \n \n simultaneously,\n \n \n \n Independent events (2),\n \n \n \n finding,\n \n \n \n triangular,\n \n \n \n nth,\n \n \n \n finding the nth term of a sequence,\n \n \n \n enlargement,\n \n \n \n enlargements,\n \n \n \n repeated,\n \n \n \n inflation,\n \n \n \n repeated percentage change,\n \n \n \n octagon,\n \n \n \n dodecagon,\n \n \n \n locus (2),\n \n \n \n Graphs of trigonometric functions,\n \n \n \n operations,\n \n \n \n operations on fractions,\n \n \n \n case study (1),\n \n \n \n congruent,\n \n \n \n congruence,\n \n \n \n sas,\n \n \n \n congruence of triangles,\n \n \n \n movement,\n \n \n \n sketching,\n \n \n \n quadratic function (2),\n \n \n \n cone,\n \n \n \n prism,\n \n \n \n dimension,\n \n \n \n pythagorean,\n \n \n \n pythagorean theorem and trigonometry in 3-D,\n \n \n \n expressions,\n \n \n \n algebraic expressions,\n \n \n \n cylinders,\n \n \n \n spheres,\n \n \n \n Volume and surface area of cylinders and spheres,\n \n \n \n the sine formula for the area of a triangle,\n \n \n \n solving equations involving algebraic fractions,\n \n \n \n net,\n \n \n \n prisms,\n \n \n \n volume and surface area of prisms,\n \n \n \n quadratic function (1),\n \n \n \n properties of trigonometric functions of a general angle (1),\n \n \n \n Solving problems involving circles,\n \n \n \n weight,\n \n \n \n length,\n \n \n \n estimate,\n \n \n \n measuring (2)\n \n \n
\n