Tuesday, 23 February 2016

Addition and subtraction

Walt: use compatible numbers
Walt: use tidy numbers

Description: I've been using tidy number and you round the number to the nearest 10. By adding a number to one side and taking it off the other side. 












Wednesday, 17 February 2016

Addition and subtraction

WALT: Tidy numbers.
WALT: use compatible numbers
Description: tidy numbers are a fast and easy simple way to work out a subtraction or addition question.