Maths

Walt: solve subtraction problems using place value to partition numbers.

This week in Room 12 maths class we have been learning about tidy numbers. We have been learning about tidy numbers because these things happen in real life. Thats why we need to know things like this. I thought that learning about tidy numbers was easy. Its similar to place value. Tidy number is rounding the number off to the nearest 10. Eg: 12+33=? then what you do is round off the one of the numbers to the nearest ten, so I would use the 33 in to 40 which i'm adding 7. 12+40=52 then you take away 7 because what you did was adding 7 on the 33 to make a tens, so now take away 7 from 52. Will be 52-7= 45 theres your answer.