I just want to promote in this post James Tanton’s latest pamphlet on fractions. It’s FREE for download. Just click Pamphlet on Fractions. Tanton writes: If fractions are pieces of pie, then
Category: Number Sense
Why PEMDAS is ‘morally’ wrong
Here’s a video that explains why you need to memorise PEMDAS (or BODMAS, BIDMAS, depending where you are in the world) order of operation and why you don’t need to.
Why do we ‘invert’ the divisor in division of fractions
The following sequence of tasks shows how we can teach a procedure for dividing fractions, conceptually. The technique involves the same idea used for finding equivalent fraction or proportions –
911 math assistance service
A four-year old calling 911 for math assistance. History tells us that zero was invented much later than most of the numbers. It was not even accepted as a number