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 congruent shapes
- Also something from Fawn I haven’t tried yet here.
Came across this site with some images/discussion about explaining and understanding ideas around dividing fractions.
The Pac-man activity was a great resource to work through when I did it once with 7 Supp – not only for thought provoking start to the concepts but to re-visit later on as well.
Another lesson with understanding reflections as their goal is from Dane’s sight here.
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 of’. This idea is talked about further here on Sara’s site where she also includes some other ideas worth looking at. I found the factors idea particularly helpful when discussing fractional indices (it was one of three ways I looked at it – the other of the two ways I think students found helpful was just recognising, for example, how 9^1/2 x 9^1/2 = 9, therefore 9^1/2 must be 3).
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 here from Izlomek. There is also the solve me mobiles that are quite a good introduction. Keep in mind the clothesline maths ideas too!
I also thought Sarah Carter had some good resources on her site that she provides downloads for etc. for free. A number of these were one-step or variable on one side, but there were also some for variables on both sides and some overall rules to follow.