Maths, E-portfolio Sample, Term 4 2018

By Anonymous -
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
So you add 1 to 69 which is 70 then
you add the 24 that was left over and then you should get an answer.

Strategy Two is called place value                                                    Answer: 25
94-60=34
34-9=25

The KNOWLEDGE I needed to solve this problem include you need to know your place value strategy because that is the most
common and tidy number to know when to tidy it.
  1. 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...   tidy number                                                  Answer: 144
You tidy 9 to ten and then you do
the times table 16x10=160 then
minus 16=$144

Strategy Two is called place value                                                    Answer: 144
9x10=90 =144
9x6=54

The KNOWLEDGE I needed to solve this problem included… knowing your 10x tables will help and also place value will help to.


  1. 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...   thirding                                                  Answer: 1/3



Strategy Two is called... division                                                    Answer: 1/3
24 divided by 8=3





The KNOWLEDGE I needed to solve this problem by using division














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