HouseNews

Mathematics Faculty

From the Co-ordinator of Mathematics

Mr Adam Demasi
Mr Adam Demasi

Please send through your solutions to: maths@tphs.nsw.edu.au 

 

Note: Solutions will be published in HouseUpdate Week 4.

 

Here is Numbers Problem #21:

Number Facts about 21

Interesting fact about the number 21, is that African Elephants have 21 pairs of ribs! 

 

Solution to Numbers Problem #20

Here is a list of the different ways to solve this problem:

Mathematics 'Problem of the Week'

There are two ways you can submit your answers - either send them in to your Mathematics teacher (or childs' Mathematics teacher if you are a parent!) or you can also send answers to: maths@tphs.nsw.edu.au 

 

Note:  Solutions will be published in HouseUpdate Week 4.

 

GREEN PROBLEM - Week 3:  

Zig-Zogs are mysterious creatures that are shy and do not like to be seen. Some Zig-Zogs are hairy and some are bald. They are either purple, pink or green.

 

Use the clues to find out how many of each kind of Zig-Zog I spotted yesterday:

  • More zig-zogs were green than purple or pink
  • There were just as many purple and hairy zig-zogs as purple and pink zig-zogs
  • There were a total of 15 zig-zogs
  • There were twice as many purple and hairy zig-zogs as pink and hairy zig-zogs
  • There were 4 purple and hairy zig-zogs
  • There were 3 times as many green zig-zogs as purple zig-zogs
  • The number of bald zig-zogs was double the number of hairy zig-zogs

Number of purple and bald zig-zogs = ___?

 

Number of pink and hairy zig-zogs = ___?

 

Number of pink and bald zig-zogs = ___?

 

Number of green and hairy zig-zogs = ___?

 

Number of green and bald zig-zogs = ____?

 

 

RED PROBLEM - Week 3: 

Charlie’s garage has a rectangular floor space. The length is 3 times its width. 

 

Charlie extends the width of his garage to 6m, with a new floor area of 45 sqm.

What is the percentage increase in floor space after it has been extended?