## Tuesday, 1 September 2015

### Maths Portfolio Sample

Description: In Troy A, we have been focusing on the appropriate/efficient strategy. This term, we are doing it around multiplication. In every workshop I attened, I want to find the most efficient strategy to work from.

To solve this question I doubled 35...
Twice: 70
Four Times: 140
Five Times: 175
Since that's 5 away from 180 the answer would be 5 remainder 5 which is 6. This strategy is KF

To solve this question you split the 180 into 70, 70 and 40. Now you see how many 35's there are in70,70 and 40, which gives you the answers below that. 2,2 and 1 plus them together and that equals 5. But, since there's 5 left in the 40 it will be 5 remainder 5= 6 I used the strategy

To solve this question you double the 15 to make it a 30 and half the 12 to make 6

3x6= 18
30x6= 180
I used the stratergy doubling and halving stratergy which is technically PLAT

To solve this you take away 2 from the 12 to make 10 and I know that 15x10= 150
15x2= 30
150+30= 180
I used the stratergy PVP

Big Idea: So in the workshops Troy provides, we focus on multiplying and dividing in different strategy's. These are some of the strategy's......

PVP= Place Value Partishoning
KF= Known Facts
RV= Reversibility