# Author Archives: Maths @ SHARP

## Revamped Maths Study Guide Chapters!

Hi Students, With the event of the new Sharp EL-W535SAB calculator, we thought it might be time to redo the maths study guide chapters. Each maths study guide chapter has an explanation for each topic in the CAPS syllasbus and activities that follow each particular section. The answers for each activity are at the end […]

## Maths @ Sharp Newsletter October 2019

Dear Maths @ Sharp Reader,   Welcome to the fourth term! Sunshine and happiness and 53 days to summer holidays! (Here’s a countdown to help you keep track 😊 ). I really love this time of year – spring always signifies a sense of newness and excitement and holidays, the end of the old and […]

## AMESA 2019 Presentations

This year in sunny Durban, teachers gathered at the University of Kwa-Zulu Natal in Pinetown, to share their thoughts, ideas and love of maths. Sharp did three presentations over the week which you can download below:   Maths literacy Presentation With a focus on time calculations, percentages etc   Maths FET With a focus on graphs, […]

## Manuals

Every good tool needs a good manual, and we’ve got them here for you. From the S25 Junior quiz calculator for primary school teachers, parents and students, to the EL-W535SAB  and the EL-W506 for those students in high school or technical colleges, we have a calculator here that suits your needs. Each manual is aimed […]

I know, I know, it has been a long time since you saw one of these emails in your inbox! Isn’t it funny how you always think that somehow you will have more time than you do. I remember sitting down to write the newsletter that shared how we were expecting our little girl, and […]

## Measurement Notes (2)

These notes cover everything covered in the grade 10 section of Measurement for CAPS, including revision of grade 9 work (perimeter and area) and surface area and volume of 3D shapes. The Measurement notes also include practice exercises so that students can follow their learning with practice. The answer sheet is also available separately. Download […]

## How to Find Factor pairs using the calculator

Factorising is hard sometimes – particularly if you cant remember the factor pairs for a certain number. Here is a trick to help you. First put the calculator in Table mode by pressing  Then press the  button. At the top of the fraction put the number you are trying to factorise in. Next press the  […]

## How to find the hypotenuse

This is really easy! If you have the x and y coordinates: For example: (3; 4) Type in 3  4    Your calculator screen will then look like this: r is your hypotenuse – which is 5 and your angle made with between the y-axis and the hypotenuse is 53o  What if you have the angle and […]

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## How to Make Second Common Differences Easy

Second Common Differences can be a bit complicated. The SHARP EL-535 can be very useful to help you figure out the formula and also to check whether your answers are right. Let’s do an example: You are given the pattern 3, 7, 15… On your calculator press: 1 (For stat) and then 2 for Quad […]

## How to use the Random Function

In normal mode, the SHARP EL-W535 has a random function. If you press    to access the random menu, you will find that you have 4 options: 0:RAND         1:R-DICE 2:R-COIN      3:R-INT RAND gives random numbers between 0 and 1 to three decimal places. R-DICE gives the numbers 1 to 6 (just […]