Negatives A – Adding Negatives – lesson plan:
A presentation to introduce the idea, slightly altered from the original produced by Chris Mcgrane:
And a worksheet to practise. Including many of the ‘answers’ to encourage the idea that it’s about representing the calculation:
Negatives B – Subtracting Negatives – Lesson plan:
And another part of Chris’s original presentation:
And some practice and extensions:
Negatives C – Multiplying and Dividing… Watch this space / message me on twitter if you want me to get on with it!