YouTube
A demonstration of how we use number lines for calculations at Griffin Park
Partitioning
Addition and Multiplication (You can use partitioning to do subtractions but school policy is to use number lines for this)
Formal Written Methods
Formal written strategies for addition, subtraction, multiplication and division.
Short Division with Decimal Remainders
A short Maths film
Chunking
Uploaded by Gilbert Griffin on 2017-03-08.
Multiplying Decimals
Uploaded by Gilbert Griffin on 2017-03-08.
Finding percentages
Uploaded by Gilbert Griffin on 2017-03-08.