How many Pythagorean Triples (or Triads) exist? Ever wondered? This spreadsheet investigation helps you find out. First we look for a pattern, then see if we can derive the general case. Using MS Excel we can Investigate with data values, and see if any conclusions can be drawn. Instruction sheet and MS Excel (2007 and upwards) are supplied

This booklet contains 6 GCSE maths worksheets. Statistics topics include cumulative frequency curves, simple probability, mutually exclusive events (Venn diagrams), non-mutually exclusive events (Venn diagrams), and independent events (tree diagrams). The first 6 worksheets each contain worked examples, related questions and worked solutions. The last worksheet contains review questions for the collection. The booklets are intended to be supplementary to the main maths textbooks. They give students the extra practice they need to improve their mathematical skills. The booklets can also be used for independent study.

This booklet contains 6 GCSE maths worksheets. Graphs topics include equations of straight lines, gradients and y intercepts, parallel lines, gradients and mid-points and sketching straight lines. The first 6 worksheets each contain worked examples, related questions and worked solutions. The last worksheet contains review questions for the collection. The booklets are intended to be supplementary to the main maths textbooks. They give students the extra practice they need to improve their mathematical skills. The booklets can also be used for independent study.

A GCSE maths activity to see if a number is prime, using the sieve of Eratosthenes algorithm. Numbers can be crunched by calculator or using a spreadsheet. An Excel spreadsheet file is provided with an instruction sheet.

This booklet contains 6 GCSE maths worksheets. Arithmetic topics include percentage of a quantity, percentage change, arithmetic problems - simple interest, currency exchange, measurement, kinematics, area and volume. The first 5 worksheets each contain worked examples, related questions and worked solutions. The last worksheet contains review questions for the collection. The booklets are intended to be supplementary to the main maths textbooks. They give students the extra practice they need to improve their mathematical skills. The booklets can also be used for independent study.

This booklet contains 6 GCSE maths worksheets. Algebra topics include formula transposition, standard index form calculations, simple factorisations, simple quadratic factorisations, harder quadratic factorisations.The first 5 worksheets each contain worked examples, related questions and worked solutions. The last worksheet contains review questions for the collection. The booklets are intended to be supplementary to the main maths textbooks. They give students the extra practice they need to improve their mathematical skills. The booklets can also be used for independent study.

This booklet contains 6 GCSE maths worksheets. Topics include ratio, map scales, inverse proportion, simplifying ratios and converting fractions and decimals to percentages. The first 5 worksheets each contain worked examples, related questions and worked solutions. The last worksheet contains review questions for the collection. The booklet is intended to be supplementary to the main maths textbooks. They give students the extra practice they need to improve their mathematical skills. The booklets can also be used for independent study.

This booklet contains 6 worksheets. Algebra topics include substitution/ collecting like terms, multiplying out single brackets, multiplying out a pair of brackets, indices and fractional indices, algebraic formula. The first 5 worksheets each contain worked examples, related questions and worked solutions. The last worksheet contains review questions for the collection. The booklet is intended to be supplementary to the main maths textbooks. They give students the extra practice they need to improve their mathematical skills. The booklets can also be used for independent study.

This booklet contains 6 GCSE maths worksheets. Number topics include review of the number system, directed numbers, sequences, directed number operations, factors, highest common factors, lowest common multiples. The first 5 worksheets each contain worked examples, related questions and worked solutions. The last worksheet contains review questions for the collection. The booklets are intended to be supplementary to the main maths textbooks. They give students the extra practice they need to improve their mathematical skills. The booklets can also be used for independent study.

This booklet contains 7 GCSE maths worksheets. Transformation topics include translations, reflections, rotations, stretches, enlargements, shears, review. The first 6 worksheets each contain worked examples, related questions and worked solutions. The last worksheet contains review questions for the collection. The booklets are intended to be supplementary to the main maths textbooks. They give students the extra practice they need to improve their mathematical skills. The booklets can also be used for independent study.

This is an example of one worksheet. The speed-time topic covers linear (straight-line) motion only. The worksheets are sold in booklets. Each booklet contain 6 worksheets like the sample. Every worksheet contains worked examples, related questions and worked solutions. The last worksheet contains review questions for the collection.

This booklet contains 6 GCSE maths worksheets. Number topics include fraction to decimal conversions, fraction operations, application of fractions, decimal operations, approximations and estimations.The first 5 worksheets each contain worked examples, related questions and worked solutions. The last worksheet contains review questions for the collection. The booklets are intended to be supplementary to the main maths textbooks. They give students the extra practice they need to improve their mathematical skills. The booklets can also be used for independent study.

his booklet contains 6 GCSE maths worksheets. Statistics topics include discrete distributions - mean, median, mode, pie charts, frequency distributions - mean, median, mode, histogram and mean, and statistical diagrams. The first 6 worksheets each contain worked examples, related questions and worked solutions. The last worksheet contains review questions for the collection. The booklets are intended to be supplementary to the main maths textbooks. They give students the extra practice they need to improve their mathematical skills. The booklets can also be used for independent study.

Is there a simple method for working out terms in number sequences? Sequences can be non-linear, linear and constant. The activity sheet can be completed by the students visually, by adding on the number of dots/ squares to each shape in turn. Students can learn the difference method through using the supplied Excel worksheet. They can find out that working out successive differences non-linear sequences can be reduce to linear ones and finally to constants. These can be graphed.

This booklet contains 6 GCSE maths worksheets. Graphs topics include curve sketching, gradients and tangents, reciprocal graphs, graphing inequalities and distance - time graphs. The first 5 worksheets each contain worked examples, related questions and worked solutions. The last worksheet contains review questions for the collection. The booklets are intended to be supplementary to the main maths textbooks. They give students the extra practice they need to improve their mathematical skills. The booklets can also be used for independent study.