**""**

Can you find the chosen number from this square using the clues below?

1. The number is odd.

2. It is a multiple of three.

3. It is smaller than 7 x 4.

4. It has an even tens digit.

5. It is the greater of the two possibilities.

[…]

## NA5 GROWTH AND DECAY – FINANCIAL MATHEMATICS

*By toni On 28 August, 2018 · Leave a Comment*

This workshop guide provides learning activities that explore the ways in which arithmetic and geometric series are used in simple and compound interest calculations related to loans (including pay-day loans) , investments, annuities, hire-purchase, inflation etc. and there is an explanation of how APR is calculated. Ideas are given for practical ways […]

## UPPER SECONDARY NA4 PROBLEMS LEADING TO SERIES

*By toni On 26 July, 2018 · Leave a Comment*

Practical activities like shaking hands, taking 2 books from a shelf and drawing the mystic rose pattern lead to understanding how to find the sum of a series and how and why different methods lead to the same result. These activities give learners the opportunity to develop logical thinking, and problem solving […]

## Grades 9 to 12 Function Flow

*By toni On 1 July, 2018 · Leave a Comment*

The input to Function Machine 1 is x. Write down an expression for the output.

If the output is 7 what was the input?

In Function 2, a is constant. If the input is 4 what is the output?

The functions from Function Machines 1 & 2 are combined to give Function […]

## Grade 12 Derivative Matching

*By toni On 3 May, 2018 · Leave a Comment*

Match the functions with their derivatives and values of the functions and derivatives.

For cards to cut out and sort to do this activity click here.

What does this information tell you about the graphs of the 5 functions

For the Notes for Teachers click here.

## Grades 10 to 12 Quadratic Matching 2

*By toni On 21 April, 2018 · Leave a Comment*

The graphs and some properties of seven quadratic functions are given here.

The equation of each function is given in three different forms.

Match the graph of each function with the matching equations and properties.

This activitiy is linked to Quadratic Matching 1 which you […]

## LOWER SECONDARY A3 FUNCTIONS AND INVERSE FUNCTIONS

*By toni On 23 January, 2018 · Leave a Comment*

Number games that develop recognition and understanding of functions and inverse functions and the ability to create formulas.

Click here to download a pdf with all you need to run your own professional development workshop.

## Grades 6 to 9 TIMES NINE

*By toni On 13 October, 2017 · Leave a Comment*

Complete the calculations in the picture.

What do you notice?

To explain how the patterns of numbers arise:

Either multiply by (10 – 1) instead of multiplying by 9

or use the table below, first completing the calculations on each line.

## Grades 6 to 8 Beautiful Numbers

*By toni On 5 October, 2017 · Leave a Comment*

Work out the different numbers to replace the question marks.

What do you notice about the patterns in these calculations?

Can you explain why this pattern occurs?

## TEACHING MATHEMATICS WITH MULTILINK CUBES

*By toni On 28 September, 2017 · Leave a Comment*

If you have Multilink cubes, sometimes called Unifix cubes, then you will find this collection of 17 learning activities will give you many good ideas for using the cubes in teaching any age group from the youngest to the oldest learners in school. (Click here to DOWNLOAD the booklet).

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