A worksheet on the following measures of location and variability: mean, median, mode, weighted mean, range, standard deviation and coefficient of variation. Detailed solutions are included.

A short introductory worksheet on congruent triangles. The exercises require to identify the corresponding equal angles or sides of some given congruent triangles. Solutions are included.

A worksheet on the triangle inequalities that state that: The sum of any two sides of a triangle is always greater than the third side. The modulus of the difference of any two sides of a triangle is always smaller than the third side. The side opposite to the larger angle is longer, in any triangle. Detailed solutions are included.

A worksheet on solving equations with algebraic fractions. Detailed solutions are provided.

A worksheet on multiplying and dividing algebraic fractions. Detailed solutions are included.

A review worksheet on the equation of a straight line and simultaneous equations. The exercises require to find the midpoint of a line segment and the distance between two points, to find the relative position of two given lines, find the equation of a line passing through a given point and parallel to a given line, use graphs of lines to find the solution of simultaneous equations, solve simultaneous equations algebraically and solve word problems using simultaneous equations. Detailed solutions are included.

An introductory worksheet on the trigonometric ratios sine, cosine and tangent. The exercises require to evaluate these ratios for an angle in a given triangle, to identify the trigonometric ratio that corresponds to a given ratio for a given triangle, to use a calculator to evaluate the trigonometric ratio of a given angle or the angle given one of its trigonometric ratios, to associate the sine or cosine of an angle to the cosine or sine of its complementary angle and and to solve word problems using trigonometric ratios. Detailed solutions are included.

A worksheet on factorizing algebraic expressions (quadratics included), simplifying algebraic expressions, performing the four operations between algebraic fractions, solving equations and word problems using factorization. detailed solutions are included.

A worksheet on the criteria SSS, ASA and SAS for proving that two triangles are congruent. Detailed solutions are included.

A worksheet on factorials. The exercises require to evaluate expressions involving factorials, simplify expressions with factorials and solve equations involving factorials. Detailed solutions are included.

An introductory worksheet on negative rational numbers. The exercises require to order a given set of numbers, compare pairs of given numbers, find missing numbers in a given sequence.

An introductory worksheet on negative rational numbers. The exercises require to order a given set of numbers, compare pairs of given numbers, find missing numbers in a given sequence.

A worksheet on dividing whole numbers and decimals by 10, 100, 1000 and 10000. The exercises require to perform calculations or find missing numbers in given calculations. Solutions are included.

A worksheet on multiplying and dividing whole numbers and decimals by 10, 100, 1000 and 10000. The exercises require to perform calculations or find missing numbers in given calculations. Solutions are included.

A worksheet on evaluating expressions involving positive, negative and fractional indices. Solutions are included.

A worksheet on multiplying whole numbers and decimals by 10, 100, 1000 and 10000. The exercises require to perform calculations or find missing numbers in given calculations. Solutions are included.

A worksheet on solving simultaneous equations using the methods of substitution and elimination. The exercise require to solve simple and more complicated pairs of equations simultaneously and use simultaneous equations to solve word problems. Detailed solutions are included.