Exploring Long Addition
We take a lot for granted in our number system. Place value is one example. It’s difficult to see how revolutionary it is. It’s like the fish who doesn’t know what water is. We take…
We take a lot for granted in our number system. Place value is one example. It’s difficult to see how revolutionary it is. It’s like the fish who doesn’t know what water is. We take…
The first stage of arithmetic is usually learning to put numbers together and take them apart. There are actually 2 main ways to put numbers together. We can do it with addition or multiplication. Here…
Number sense is the ability to work with simple numbers in a more sophisticated way that allows you to do more complicated things. We saw last week that on average we are not able to…
Subitising is the ability to see a number of objects. We can subitise up to 5 or 6 items that are not in a known order but not usually much more than that. This skill…
This is the simplest of ideas in maths. But like most things that seem simple, there is a lot that we assume or take for granted with this idea. It is good to make sure…