Session Five (1.1.5): Directed numbers
Make sure that you spend sufficient time practising negative numbers, as they form a foundation for your future work.
Tutorials
There are several ways we could explain how to manipulate negative numbers. Please watch the following tutorials to find the best reasoning for you:
WATCH - A Trick for Adding and Subtracting Negative Numbers (YouTube) Links to an external site.
WATCH - Rules of Positive and Negative Signs in Math (YouTube) Links to an external site.
WATCH - Negatives: Addition and Subtraction Video (Corbettmaths) Links to an external site.
WATCH - Adding and Subtracting Negative Numbers (YouTube) Links to an external site.
WATCH - Multiplying and Dividing Negative Numbers (YouTube) Links to an external site.
Interact
Now work through pages 14-17 in your coursebook. Make notes on any new concepts and answer as many questions in the exercises as you need to.
Practice
Now work through the MyMaths activities:
EXPLORE – Negative Numbers 2 (MyMaths) [Not available with sample course]
EXPLORE – Negative number calculations (MyMaths) [Not available with sample course]
Links
Use these additional resources for further practice:
WATCH - India and Negative Numbers (Twig) [Not available with sample course]
EXPLORE – Negative Numbers (CIMT) Links to an external site.
EXPLORE – Adding and Subtracting Directed Numbers (CIMT) Links to an external site.
EXPLORE – Multiplying and Dividing Directed Numbers (CIMT) Links to an external site.