A collection of three worksheets on the following topics: Sum of angles in a triangle: evaluating the third angle in a triangle given the other two using the fact that their sum is 180 degrees Triangle inequalities: deciding whether three numbers can represent the lengths of the sides of a triangle and determining the possible lengths of the third side of a triangle given the lengths of the other two sides Isosceles triangles: deciding whether a given triangle is an isosceles triangle using the properties of isosceles triangles( two equal sides, two equal angles, any two of the median, bisector and height corresponding to the same side coincide). Detailed solutions are included.

Three worksheets on adding, subtracting, multiplying and dividing integers. Solutions are included.

A collection of four worksheets on factorising algebraic expressions for cases where there is a common factor or the method of grouping can be used. One worksheet on factorising linear algebraic expressions by taking out the highest common factor of the terms, one worksheet on factorising algebraic expressions by grouping and two worksheets with exercises of both types. Detailed solutions are included.

Three worksheets on the following: differentiating using the basic rules: rule for constant functions, power rule, exponential functions rule, sum rule, product rule and quotient rule. differentiating functions involving sine, cosine, tangent, cotangent, secant and cosecant differentiating composite functions using the chain rule Detailed solutions are included. Good for A level students.

Four worksheet on the following topics: Simplifying algebraic fractions Adding and subtracting algebraic fractions Multiplying and dividing algebraic fractions Solving equations with algebraic fractions Detailed solutions are provided.

A bundle of 10 worksheets (with detailed solutions) on Number topics appropriate for GCSE students. Each worksheet contains questions for students of various abilities. The topics covered by these worksheets include: BIDMAS Adding Integers Subtracting Integers Multiplying Integers Dividing Integers Mixed Operations Between Fractions, Mixed Numbers and Whole Numbers Surds Rules of Indices: Multiplication and Division Fractional Indices Negative and Fractional Indices The pack is ideal for use in revision sessions or for individual study. The solutions provided are very clear and explanatory.

A collection of 8 worksheets on percentages. The following are included: Percentages, fractions and decimals Expressing one quantity as a percentage of another Percentage Increase-Decrease Percentage change Simple interest Compound interest Reverse percentage Percentage (over 100) of a number Detailed solutions are included.

A collection of three worksheets: 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 and to associate the sine or cosine of an angle to the cosine or sine of its complementary angle. Two worksheets on evaluating missing angles or sides in a given right-angled triangle. Detailed solutions are included.