Maths E-portfolio Sample Term 4 2018

Maths, E-portfolio Sample

1. Use two different strategies to solve the following problem:

To get a ‘Great Achievement” award, Rob needs to swim 94 lengths of the swimming pool. If he has already swum 69 lengths
, how many more lengths of the swimming pool does he need to swim to get his award?

Strategy One is called... Tidy Number                                                Answer: 25

94-69
94-70=26
26-1=25

Strategy Two is called... Place Value                                                 Answer: 25
94-69=
94-60=34
34-9=25

The KNOWLEDGE I needed to solve this problem included…The knowledge I needed to solve this problem is knowing my
times table. I also needed to know how to add kinda big numbers together.

2. Use two different strategies to solve the following problem:

A netball team enters a tournament. The tournament costs $16 per person. If there are 9 people in the team, how much will the
team pay in total?

Strategy One is called...  Place Value                                                Answer: 144

16x9=
10x9=90
6x9=54
90+54=144

Strategy Two is called... Tidy Numbers                                                    Answer: 144

16x9=
16x10=160
160-16=144

The KNOWLEDGE I needed to solve this problem included…knowing your multiplication and subtraction.

3. Use two different strategies to solve the following problem:

Ye Lin is helping clean up her local beach. She and her classmates collect 24 bags of rubbish in total. 8 of the bags are filled
with only plastic. What fraction of the total number of filled bags is this?

Strategy One is called... Prior knowledge                                                     Answer: 1/3

8/24 simplify 1/3

Strategy Two is called...halving                                                     Answer: 1/3

8/24
4/12
2/6
1/3

The KNOWLEDGE I needed to solve this problem included…the knowledge I needed to solve this problem was know how
to simplify numbers.