W.A.L.T use tidy numbers to solve a problem. Tidy numbers end in a zero! For Example:
26 + 18 if you make the 18 a tidy number, like 20.
24 + 20 = 44
If you can't see my maths you can look at my math book in class!
Description - Please get this from the Red NZCM math book on Pg 78