Maths Mate Sheet 8 Term 4 Question 22

Predict: I predict that it will be about money.

Read: Which deal costs less?

A] 75c for 500 ml

B] $2 for 2L

Clarify: I don’t have anything to clarify.

Mathematician’s Toolbox: ‘Have I seen a similar problem?’.

What’s the BIG question? Which deal out of A or B costs less.

Working out: Before I worked this out I went well 500ml is one quarter of 2L so I knew that if it was B every 500ml would be 50c because that is a quarter of 2L. In A though it costs 75c which would be 25c more then B. If you times 75 times 4 it is $3 so it would be more then B.

Summary: The answer I got B and it was not hard at all.

Maths Mate Sheet 7 Term 4

Predict: I predict that this will be about quantities and money.

Read: Which deal costs less?

A] $32 for 4 L

B] $8.50 for 1 L

Clarify: I have nothing to clarify.

Strategies/Mathematicians Toolbox: ‘Have I seen a similar problem’

If you would like to look at the list of them here is the link:

http://amelia2012.global2.vic.edu.au/maths-tool-box/

What’s the BIG question? Which deal costs less?

Working out: Well I knew that 8 is a quarter of 32 and it is offering a quarter less amount of L for B but it is $8.50 and that is not a quarter of 32 so if you want 4 L for $8.50 each it will come to a price of $34.00 and the other one is $32.00 for 8 L.

Summary: I believe that A is the correct answer. We had a similar problem last week so I used the way I worked out that to work out this problem.

Maths Mate Term 4 Sheet 6 Question 23

Predict: I predict that this might have to do with problem solving because when I looked at it, the problem was lengthy.

Read: When Tony has his birthday tomorrow, his age in months will be the same as his grandfather’s age in years. How old will Tony be if their combined ages will be 78?

Clarify: I have nothing to clarify about the problem.

Strategies/Mathematicians Toolbox: ‘Try all possibilities’, ‘Try a simpler problem’.  If you would like to look at the list of them here is the link:

http://amelia2012.global2.vic.edu.au/maths-tool-box/

What’s the BIG question? What age will Tony turn tomorrow?

Working out: I know that there is 12 months in a year and his grandpa’s age is in Tony’s months. Firstly I knew that I will have to try some numbers and times them by 12 then takeaway the number I times by 12  then add onto 78. Whatever the answer to that is should equal the amount of months Tony has lived for as this is the grandpa’s age. I firstly tried 12. I times that by 12 which equals 144 but the grandpa is not 144 because Tony’s and his grandpa’s combined ages are 78. Next I tried 5. So I did 5×12 which equals 60 so if this was the right answer the grandpa would be 60 and Tony would be 5 so I would add that together which is 65 but there combined ages are 78 but I was close. I tried 6. 6×12=72 so grandpa would be 72 and Tony would be 6 so 72+6 is 78 which is the combined total of their which that was it so that is the correct answer!

Summary: This question I found hard because it took me a lot of guess’s to work out. I finally got there and Tony’s that he will be turning tomorrow is 6.

Maths Mate Sheet 5 Term 4 Question 22

Predict: I predict that this problem will be about weight and quantities of things.

Read: Which deal costs less per gram?

A] $5 for 500 grams

B] $3 for 250 grams

Clarify: I have nothing to clarify.

Strategies/Mathematicians Toolbox: ‘Prior knowledge’, ‘Work it out backwards’, ‘Try a simpler problem’. If you would like to look at the list of them here is the link:

http://amelia2012.global2.vic.edu.au/maths-tool-box/

What’s the BIG question? Which costs less: A or B.

Working out: Firstly I went well if it costs $5 for 500 grams then for every $1 you get 100 grams. With B I knew that A was cheaper because for every dollar in B you get less than 100 grams for $1  but in A you get 100 grams for $1.

Summary: The answer I got was A. I used strategies to help me work it out and with the prediction I did have to use some things to do with weight and quantities but also comparing numbers and weights together.

My Traits Graph

The Task

Since we are doing forensic science this term we had to make a graph about some unique features we all have such as detached earlobes and can you roll your tongue. Firstly we had to collect the data to actually make the graph. As a class we got all the information and did a hard copy of the graph on a piece of paper. Then we made one on excel. This is the one I made:

Mean/Average: The average amount of people that said yes when answering the graph was 12.8 out of 24 which is almost exactly half which means the average amount of people said no is 11.4.

Median: The median of yes is 14 and median of no is 10.

Mode: The mode of yes is 7 and it appears 2 times and the mode of no is 17 and it appears 2 times.

 

 

Maths Mate Term 4 Sheet 4 Question 22#

Predict: I think that this problem will be some sort of number problem and may involve division or division skills.

Read: Fill in the missing number 36 divided by ? equals 4.

Clarify: I have nothing to clarify.

What’s the BIG question? What is the missing number in the equation?

Strategies/Mathematicians Toolbox: ‘Write an equation’ and ‘Prior Knowledge’. If you would like to see some for strategies click on the link: http://amelia2012.global2.vic.edu.au/maths-tool-box/

Working out: The way I  worked this out was that I knew from my prior knowledge that 9×4=36 and if I changed it around to 36 divided by 9 it would equal 4!

Summary: The answer is 9 which fits into the equation perfectly. My prediction was correct and I used the strategies I said but not that much of the ‘write an equation’.

How to make a Bar Graph

How to make a Bar Graph/Column Graph  

A graph is a visual representation of  data. Graphs are much easier to read for visual learners and learners that want a clear straight way of knowing there information. To make your very own bar graph read the following procedural text. You will make a simple graph.

Please Note

You will need some data before you start your graph to fill in the graph.

Materials Needed 

  • Coloured Pencils [if you would like to colour your graph in]
  • Ruler
  • A4 [or bigger if you want] piece of paper
  • Pencil

Method:

1. Firstly with your paper, pencil and ruler draw an L shape that has a horizontal line and a vertical line with a 90 degrees angle in the bottom left hand corner. Don’t make it to big just make sure you have some space around it to write on.

 

2. On the vertical line (y axis)number it from top to bottom and make sure they are evenly spaced. Start with 0 when numbering and number it to the number of votes you have. Make sure your numbers are evenly spaced.

 

 

3. On the horizontal line [x axis] your answers you told when you did the vote. Say the question was ‘what is your favourite animal’ the answers could be dog, cat, fish, pig, horse [you can have as many as you want. If you don’t have enough room just write 1,2,3,4 etc. and have a key saying

1=red

2=blue

3=green [this would be if your question was ‘what is your favourite colour’]

Or just write the questions.

4. Now we need to add the data to put in our graph. With your ruler on the horizontal line, draw a rectangle starting from the horizontal line and draw it to the number on the vertical line about how many people voted for that. Say you did a survey on what colour cars we going past and you saw 12 red ones then you would draw it up to the 12th number on the vertical line.

Make sure with every rectangle you do it should be the same width.

5. Do that with every answer. Now if you want colour it in and write a title or the question up the top. This is an example of a completed.

The data I made this graph into is as followed:

‘What is your favourite type of chocolate?’

Normal chocolate=2 people

Dark chocolate=1 people

White chocolate=4 people

Mint chocolate=8 people

Caramel chocolate=9 people

Strawberry chocolate=0 people

Maths Mate Term 4 Sheet 3

Predict: I predict that this question will be a word problem because of all the words.

Read: A bookshop sold 200 books over the internet in its first year of business. Since then the sales have doubled every year. What was the bookshop’s profit in the sixth year given the yearly profit formula below.

Yearly profit=books sold x$2-$1000

Clarify: Nothing to clarify.

Strategies: Write an equation, Break the problem down.

What’s the BIG question? What is the bookshops yearly profit?

Working out: Firstly I did well if they sold 200 books and it was 6 years selling and there amount doubled each year they would get over 6 years:  6400. Then with the formula you would have to times it by 2 [$2] which would give you 12 800. Then take away 1000[$1000] which is 11 800.

Summary: My answer is $11 000 I found this problem challenging and I got confused a bit. The strategies I used helped me

Maths Mate – Term 4 Sheet 2 Question 22

Predict: I predict that this will be a number sum with division in it.

Read: Fill in the missing number.

Something Divided by   5  =  9

Clarify: There is nothing that I need to clarify.

What’s the BIG question? What is the missing number?

Strategies/Mathematicians Toolbox: Prior knowledge, Work Backwards, Have I seen a similar problem?

Working Out: All you need to do to work it out is [this is what I did] work backwards and go well 5×9=45 so 45 divided by 5 equals 9. I also knew my number facts and times tables.

Summary: The answer was 45 and it was a simple number fact that you had to know to work the sum out!

Maths Mate Term 4 Sheet 1 Question 22.

Predict: I predict that this problem will be about multiplying because when I had a glance at it, it was a multiplication problem.

Read: Fill in the missing number.

12 x   ?  = 36

Clarify: I have nothing to clarify.

Mathematicians Toolbox/Strategies: I am going to use my prior knowledge work it out.

What’s the BIG question? What is the missing number to complete the equation?

Working out: To work it out I simply went well if the answer is 36 and it is something times 12 I knew that 12×3 is 36 so that fits in there.

Summary: The missing number was 3 and all I did was use my prior knowledge because I knew my times tables.