Here are your all-time top 20 maths resources, based on the number of times you downloaded them and how favourably you reviewed them. Maths investigations Starter sheets with levelled guidance for progressing the investigation and to allow self and peer-assessment. Bodmas order of operations PowerPoint explaining the Bodmas order of operations. Mathemagic A collection of mathematical magic tricks for teachers, particularly suitable for KS3 but also popular with older children. Maths quiz A PowerPoint with five rounds of maths questions at KS3 level. GCSE maths revision starters and worksheets A spreadsheet to help your pupils practise GCSE maths skills. Treasure hunt 'GCSE target C' Fun treasure hunt that is perfect for grade D/C GCSE pupils. Maths game Great game for use as a revision tool or starter activity. Adaptable for any ability level. Key Stage 3 level descriptors This set of KS3 level descriptors shows the different levels in maths and makes a great display. Equivalent fractions snap cards A game of snap with equivalent fractions - popular with pupils. Algebra simplifying trail An enjoyable activity in which pupils have to solve algebra questions to decode a secret message. Fractions mistakes A worksheet with 10 fraction calculations, some of which have mistakes and/or inefficient solutions which pupils need to identify. Loop cards, worksheets and starter activities A mixture of resources to help pupils recap on their learning. Cartoon co-ordinates 2 Instructions for drawing famous cartoon characters on graphs using co-ordinates. What's in my bag? Simple algebraic substitution A PowerPoint starting with the simple rules of algebraic substitution and finishing with a puzzle. Percentages A PowerPoint quiz for revision/recap on percentages. Ratio and proportion A worksheet that helps pupils link the ratio and proportion concepts to real life situations. Pupil speak level descriptors Level descriptors adapted from the APP checklists. They can be used for posters or self-assessment. 50 IWB lessons Interactive Promethean and Smartboard versions of the Improving learning in mathematics resource (aka the standards box). Display of mathematicians from around the world A collection of posters of mathematicians from around the world. Ratio and proportion sort cards Match-up activity that links together ratio and proportion.