given a random starting number, students must substitute into a variety of linked expressions. comes in two levels of difficulty and clicking the boxes gives the answers

A different way of teaching negative numbers using... sandcastles! Quite a nice visual way of thinking about it.

Pupils are faced with a series of questions and answers and they must decide if they are correct or not. highlights some important misconceptions.

A brilliant Tarsia activity by Gill Hillitt on factorising quadratics. These type of activities can be used to consolidate understanding of a given topic, and foster positive group work and co-operative learning. For more ideas on how to use these types of activities (including twists!) and to download the latest version of the wonderful free software to open this resource (and create your own), just click on the web-link. If you have any comments or feedback for Gill, please share them below.

Pupils are presented with a statement and a diagram and they must decide if the diagram supports the statement or not.

“Build an Army” is a fun, strategy game that can be used to consolidate understanding of key mathematical concepts. After students have played the game and described their strategy, there are opportunities for differentiation via various lines of inquiry and probing questions for the students to investigate. Full instructions are provided in the “General Rules” PowerPoint. To find more Build an Army activities, just visit: http://www.mrbartonmaths.com/buildanarmy.htm

students must arrange the blocks of the addition pyramid so the sum of the two blocks below equals the block above. same for the subtraction pyramid

A Tarsia activity on Multiplying Decimals. These type of activities can be used to consolidate understanding of a given topic, and foster positive group work and co-operative learning. For more ideas on how to use these types of activities (including twists!) and to download the latest version of the wonderful free software to open this resource (and create your own), just click on the web-link. If you have any comments, or spot any (non deliberate!) mistakes, please share them below. Many thanks to all the teachers who have helped me assemble these Tarsias over the years.

A nice set of cards to be used as a revision starter.

A brief summary of all the trig formulae needed for c3.

A Tarsia activity on Estimating Calculations. These type of activities can be used to consolidate understanding of a given topic, and foster positive group work and co-operative learning. For more ideas on how to use these types of activities (including twists!) and to download the latest version of the wonderful free software to open this resource (and create your own), just click on the web-link. If you have any comments, or spot any (non deliberate!) mistakes, please share them below. Many thanks to all the teachers who have helped me assemble these Tarsias over the years.

A brilliant Tarsia activity by Gill Hillitt on completing the square. These type of activities can be used to consolidate understanding of a given topic, and foster positive group work and co-operative learning. For more ideas on how to use these types of activities (including twists!) and to download the latest version of the wonderful free software to open this resource (and create your own), just click on the web-link. If you have any comments or feedback for Gill, please share them below.

A presentation that tests pupils' abilities to identify the equations of straight line graphs, before developing this skill for representing linear inequalities graphically.

Match the equation of the line with the table of co-ordinates.

A match up activity for all the important area and volume formulae.

an introduction to the laws of indices

questions requiring students to read and interpret bar charts and pie charts. has a bit of ratio thrown in there too

Graphically demonstrates arithmetic and geometric series on separate worksheets before comparing the two.

A nice demo of why you don't add the numerators and denominators of fractions.

A full lesson on f, d, p conversions.