Here are some links to resources / puzzles / activities etc. that I have found useful doing work on congruent triangles. Multiple lesson plans to follow including some activities on proofs Picture puzzle to use for cutting shapes into two Read More …

# Tag: year 9

## Indices, Exponents, Powers

Varied names around the world for the same topic! A key starting point in looking at this though is probably Michael Fenton’s blog on the topic, in particular noting the way he talks about the indices as ‘number of factors Read More …

## Solving Equations

Wanted to pool a few resources here that I have come across to use for solving equations – there’s a mix of one-step and two-step stuff out there of course and one with a number of ‘game’ type activities was Read More …

## Scientific Notation

Keen at this point just to make a reference to Sarah’s page with a stack of activities around scientific notation. I’m going to try some of these out and ideally report back on here any reflections. (I’ve added a mockup Read More …

## Introduction to Trigonometry

With many thanks to Dan Pearcy I stumbled across his introduction to trigonometry lesson. I ran it with my year 9 advanced class and I thought it was great! Love the moment when I started writing out all the ratios Read More …

## Introducing Volume

Introduced volume to year 7 supp class today as part of our measurement unit. We began with an image on screen similar to this one, using the ‘delete the textbook’ method to generate some questions/discussion: One of the students knew Read More …

## Activities with negatives

Tried a couple of activities with both year 7 and year 9 classes of lower achievement standard. I liked the activities and had some buy-in from the students, although late in the term was a little hit and miss. Anyhow, Read More …

## Algebra – like terms & expanding

Thanks to Nrich for this activity (via https://nrich.maths.org/6942) Attached to this post is the game cards, rules and solutions for the activity which I plan to use with my 10 Int. class helping them to work well together and to consolidate Read More …

## Introducing irrational numbers

Towards the end of the year 8 course we ran an introduction to surds. Over the course of about 3 lessons (which I virtually mirrored in year 9 classes as well), we introduced the concept, did some number crunching and Read More …

## Parallel Lines worksheets, desmos etc

Here are a couple of resources I came across from the web looking for resources on parallel lines. The first is perhaps more complex/less ‘fun’, the second maybe for younger? Going to try the first one tomorrow – I came Read More …