## Variation Grids: Substitution

I know I’d said I’d do simplifying a ratio first but I got distracted. PDF Here | Editable excel file here

## Vary and twist : Inverse proportion

Another ‘vary and twist’. This time on inverse proportion. Download it here. I have added a section at the top making explicit that students should make an expectation of the answer before working it out, as I think this is… Continue Reading

## Vary and Twist: Proportion

I’m going to call these Vary and Twist. Section A is some variation practice. Here’s my thinking behind the variations: Simple example Context change, numbers stay the same OK. Now double what we require. answer doubles Amount needed triples, answer… Continue Reading

## SSDD Problems

I’ve been using Mr Barton’s SSDD Problems with my year 11 class. I think they’re really good. They do a really good job of making students pick out what they need to do. Here’s a great one. This is great… Continue Reading

## An attempt to combine two ideas: dividing in a ratio

A worksheet attempting to combine Craig Barton’s ideas on variation theory (only changing one part at a time) and Dani and Hunal’s ideas around making students make choices. I’ve tried to build up to that. Maybe by trying to combine… Continue Reading

## #Mathsconf14 Takeaways

I thought I would use a similar format to my ATM Don Steward takeaways. These are just some quick thoughts. They’re by no means things I’ve thought about for a great deal. My first session was Peter Mattock’s session on… Continue Reading

## Maths in the real world – The Sun’s Brexit percentages

This piece of maths in The Sun was all over Twitter this week. It was retweeted and praised by MP Jacob Rees Mogg. The maths in it is wrong. Wrong, but interesting. A lot of people tried to correct it… Continue Reading