Maths Strategy Week 6 Term 4 4

4. Julia is an artist. She has been painting a huge mural for the town centre. For the main colour she used a 20 litre pail of white mixed with a 10 litre pail of blue. Unfortunately she ran out of paint before she finished the mural. She thinks that she will only need 6 more litres in total to finish. How much blue and white paint does she need to mix up to get the 6 litres of paint she needs that is exactly the same colour she has been using?


For every 20 litres of white paint, she needs 10 litres of Blue Paint. 20:10

She needs 6 more litres of white paint so then we need 3 litres of blue. 6:3

My Maths Strategy Week 5

12. Tama is making costumes for the production. Each of the costumes he makes uses  .39m2 of material. How many can he make with 33m2

I needed to know what the answer to this question was. The first thing I done was times .39x10 which equals 3.9. I then doubled that which would equal 7.8 and that will make 20. Again I doubled it which made 15.6 (40 costumes). Doubled it again and I made 31.2 (80 costumes) That meant there was 1.8 left. Out of that I could make 4 with .24 left over. So that makes 84 costumes.

My Strategy Week 6 Term 4 3

3. Tiaki is fixing part of his fence. The pickets he needs are .68m long each. How many metres of timber does he need to cut up 45 pickets?

It was the easiest out of them. First I done .68x10 to make it to 6.8. I times that by 4 and made 27.2 which equaled 40 pickets.

.68x10=6.8

6.8x4=

6x4=24

8x4=3.2 27.2=40

3.4=5 27.2+3.4=30.6

If the timber comes in 5m lengths only what is the minimum amount of lengths he needs to have enough for 45 pickets?

He will need 7 with 4.4m left on 1.


The timber is $3.55/m. How much will he have spent? He will have spent 24.85.

.05x7=.35 .5x7=3.85

3x7=21+3.85=24.85.

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Maths Strategy Week 6 Term 4 2

2. Sione uploaded a presentation to his blog but it was too big. In the HTML code he saw that the size was 920 pixels wide by 648 pixels high. He thinks if he reduces it to ¾ of the size it is, it should fit. What dimensions does he need to change in the HTML code?

920/4=230


648/4=162


162x3=488 100x3=300 60x3=180 2x4=8 300+180+8=488


230x3=690 690 wide, 488 tall.


This is question 2 of my week 6 strategy. I knew I had to reduce the screen so I done this. Found a quarter of each number. 920/4=230, and 448/4=162. So I needed to x them each by three to find my answer. 162x3=488. 230x3=690. So the tv is 690 pixels wide and 648 high.

Maths Stratergy Week 6 Term 4

1. The world record for throwing a cellphone in 2012 was 102.68 metres. James attempted to beat the record but only managed to throw 97.89m. How much was he short by? 97.89+___=102.68

97.89+2.11=100


100+2.68=102.68

2.11+2.68=4.79


So the equation was 97.89+___=102.68? The first thing I done was to round 97.89 to the nearest 100. So I added 2.11 to make it to 100. I needed to add another 2.68 which equals 102.68. So 2.11+2.68=4.79

My Maths Strategy Week 5 3

10. The school has been donated packets of felt pens to share out evenly between the 22 classes. How many feltpen packets does each class get if they got given 308 packets?  308/22=?

220/22=10

88/22=4