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Constructing Triangles

Saturday, 29 November 2014 · (0) Comments

One of the challenges I had this week when students were constructing rectangles and squares using a ruler and set square (drafting triangle) was checking the accuracy of the measurements (sides and angles). I walked around with a ruler and set square checking their drawings.

Water usage and collection

Tuesday, 03 June 2014 ·

For my HSC Mathematics General 1 class, we are currently completing the Focus Study FSPe1CEC Water usage and collection.

In this topic, students interpret information, make comparisons, and perform a range of calculations in relation to personal water usage.

Consumer Arithmetic - Spending - Electronic Worksheets

Monday, 17 December 2012 ·

This is part 2 of my electronic worksheets for Consumer Arithmetic. Part 2 focuses on Spending Money, in particular: profit and loss, discounts, purchasing, best buys and buying on terms (hire purchase). (Part 1 focused on earning money)

Times Tables Grid Wall Poster (Made4Math)

Friday, 21 September 2012 ·

It’s the last day of term here, so teachers might want to spend some time today fixing up their room. So, I brought my Made4Math Monday forward.

I needed some times table posters for my classroom, but the posters you can buy tend to be for younger students and I haven’t seen a grid version (rather than each table listed separately).

Functions and Quadratics Foldables (Made4Math #1)

Sunday, 05 August 2012 ·

Year 11 Mathematics have one of their three periods a week, last period on Fridays. Of course, they’re not highly motivated at that time.

The other week, we folded parabolas, I called it “Arts and Craft Friday”.

The next week, they surprised me by asking what we were doing for “Arts and Craft Friday”... I had nothing!

The Biggest Loser 2012

Monday, 20 February 2012 ·

The Biggest Loser 2012 Worksheet

Each year I use the TV Show, The Biggest Loser, as an application of percentages – here is a worksheet for 2012 setting out the contestant data that your students can use to perform some calculations.

I’m completing this activity earlier than normal this year, so the data is from earlier in the competition.

Superman Number Plane Logo

Sunday, 06 November 2011 ·

A number plane drawing worksheet for making the Superman logo. Included in the file (see below) is a page with a suitable coordinate grid.

Smartie Statistics

Thursday, 08 September 2011 ·

Looking around, there are lots of activities for collecting and analysing data using small boxes of Smarties. Here is my version.

The Biggest Loser 2011

Monday, 04 April 2011 ·

Each year I use the TV Show, The Biggest Loser, as an application of percentages.

Teaching Surface Area

Thursday, 25 November 2010 ·

I like teaching surface area, I think it’s an interesting topic. Yet, I find kids struggle with the concept. Not understanding the basics of area and then getting over the prior knowledge of solids meaning volume are two aspects that cause some difficulty.

Inequalities with GeoGebra

Friday, 19 November 2010 ·

This is a great interactive for representing simple inequalities on the number line: Inequalities with GeoGebra.

Follow-up to WCYDWT: Spacing Evenly

Saturday, 18 September 2010 ·

I showed WCYDWT: Spacing Evenly to some of my classes this week. A couple of reflections…

Building Bridges

Saturday, 28 August 2010 ·

For Australian teachers with access to objects from The Le@rning Federation, the resource Bridge Builder is a nice way to deal with geometric patterns and finding the algebraic rule.

Investigating Scientific Notation

Wednesday, 26 May 2010 ·

I’ve been trying to increase my use of the laptops with Year 9.

Pythagoras Outside

Saturday, 15 May 2010 ·

This is a fairly simple activity that allows for something different in the teaching of Pythagoras’ Theorem.

End of term activities 6

Saturday, 05 December 2009 ·

The end of term/year often brings lots of disruptions. So, as much as I like to keep teaching till the end, some days require something a little different. I like hands-on quasi-mathematical activities that allow every student to engage with and complete. And on Thursday, just before having one of those disrupted days, I found this…

Pie Graphs on Netbooks

Thursday, 03 December 2009 ·

Despite every Year 9 student having a laptop for a few weeks, the topics we’ve been covering haven’t lent themselves to full laptop lessons. To end the term, though, we’re reviewing graphs.

Evidence of doing anything

Wednesday, 25 November 2009 ·

I think that each student using a netbook/laptop in your class presents some slightly different issues in Maths.

End of term activities 5 - Patterns

Thursday, 01 October 2009 ·

Tomorrow is the last day of term… hurray! Here’s another end of term activity for use with your maths class.

Link: Western Bulldogs Number Plane Logo

Monday, 28 September 2009 ·

If you’re looking for more number plane drawings, but lean towards AFL, then check out Jeff Trevaskis’ Western Bulldogs Number Plane Logo from his blog, Webmaths. Nice one Jeff!

Brisbane Broncos Number Plane Logo

Monday, 21 September 2009 ·

Last year, I posted the Melbourne Storm Number Plane Logo – and today, exactly one year later, purely by coincidence, I’ve made a Brisbane Broncos Number Place activity.

Surface Area and Chocolate

Sunday, 16 August 2009 ·

An excuse to use chocolate in a maths lesson…

The Biggest Loser 2009

Sunday, 05 April 2009 ·

The Biggest Loser, the Australian version, is again on television. This year, Year 9 are looking at Percentages at the same time.

Getting started

Friday, 23 January 2009 ·

There are a couple of previously published resources on this site that might help you out as you prepare for the new school year.

Temperature Conversion Graph

Saturday, 10 January 2009 ·

As I was putting together a lesson on using conversion graphs, I couldn’t find a nice temperature conversion graph – so I created one.

Maths symbols in Word (Mac)

Saturday, 03 January 2009 ·

Creating a maths worksheet in Microsoft Word without using the proper symbols does not present well – I’m sure you’ve seen 2 * 2 = 4 or 2 × 2 = 4 rather than 2 × 2 = 4.  My previous post, Maths symbols in Word is one of the most popular on this site.  In that post, I gave shortcuts for inserting mathematical symbols into Word – the post was specific to the Windows version of Word.  As I’ve been a Mac user for a year, it’s time to make a similar post for Mac users.

Equal areas in a circle

Monday, 24 November 2008 ·

Trying to motivate Year 10 after the School Certificate Exams are completed is tough.  I like to use geometric design activities.  Whilst they seem like “fun”, or at least non-taxing on the brain – they get the students following a procedure, using geometric instruments and can be lead to a good discussion about the Mathematics of design.

Fraction Shading

Saturday, 09 August 2008 ·

Understanding the concept of a fraction by shading in a part of a shape is a fairly standard introductory activity.  When I did a search on Flickr for fractions, I found this set of fraction shading diagrams*.  What I liked about these diagrams is that you are required to represent two fractions on one diagram.

Perpendicular lines activity

Wednesday, 02 July 2008 ·

This simple design activity could be used as something extra whilst Year 7 are using geometric instruments and learning about perpendicular lines.  Or, as a stand-alone activity.

Angle Wheel

Friday, 27 June 2008 ·

Building an Angle Wheel is a great way to consolidate an introduction to angles for Year 7.

Estimating length

Saturday, 03 May 2008 ·

When looking at measurement, year 7 measure “body units” and use them to measure things in the classroom, as an example of estimating.  Then, when we move onto perimeter, we come back to one body unit, the pace.

Big Number Line

Thursday, 03 April 2008 ·

For many students, working with directed numbers (positive & negative numbers) requires the visual aid of using a number line.

The Biggest Loser

Tuesday, 18 March 2008 ·

The Biggest Loser’, the Australian version, is currently on Channel 10.  Conveniently, it appears on TV the same time we’re looking at Percentages with Year 8 providing a great connection between popular culture and maths.

Tell me about maths…

Thursday, 31 January 2008 ·

In the first lesson with each of my classes, I gave them a chance to let me know how they felt about maths.  I hope this conveyed to my students that I am interested in what they like about maths and what they find difficult, it also gives me a basis for creating activities and future reflection to see what we’ve achieved.

End of term activities 2

Saturday, 01 December 2007 ·

It’s been two terms since my last post on this blog, End of term activities.  So, as I return to this blog at the end of the year, here are some more “last day” type activities.

image

End of term activities

Thursday, 28 June 2007 ·

For the last day of term, lessons may not follow a normal program, however they can still be engaging and mathematics related.

Heart Rate Activity

Saturday, 19 May 2007 ·

An outdoors activity is always a welcome change to a maths lesson.  To introduce rates, I take the class outdoors to measure their heart rate.

Lined paper

Saturday, 27 January 2007 ·

The new school year in Australia starts in just over a day.  Here’s a “new school year helpful printable download”.

Maths symbols in Word

Sunday, 14 January 2007 ·

Many teachers use Microsoft Word to create worksheets.  It’s not designed for the job, there are better options but Word is the easiest to learn and has the greatest compatibility – making it easy to share documents.  One of the problems I see is that many people don’t know how to insert symbols into their document.  For example, x (the letter) is not a good substitue for × (the multiplication symbol).  This post shows you how to insert symbols like ×, ÷ and π quickly, on most computers (a Windows PC running Microsoft office).

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About

Simon Job — ninth year of teaching maths in a public high school in Western Sydney, Australia.
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