# Author Archives: Primary User

## How many marks can you lose in a matric maths exam if you dont own a scientific calculator

Many people have asked me why I think it is so important to put Scientific Calculators into matric (and grade 10 and 11) students’ hands. So, I decided to do a very simple experiment. Over the last 3 days I have been writing matric maths exam papers. Apart from realising that I remember very little […]

## Worksheet 15 Pythagoras

This grade 8 worksheet begins with the basics of Pythagoras.   It focuses on writing down the correct Pythagoras formula, substituting correctly into the formula, finding the longest side. It then moves on to finding any side of a right-angled triangle. Finally students are asked to prove that a triangle is right-angled by using the […]

## January 2018 Maths At Sharp Newsletter

Dear Fellow Smart-Solvers,   Happy 2018! Wishing you a wonderful and exciting year ahead filled with interesting classes, great maths days and maybe a visit or two.   I have really been enjoying my colouring in over the holidays (I even found a calendar for 2018 that I can colour in – Yay! 😊). Although […]

## Calculator word Crossword Puzzle

And so the new school year begins, and we wonder about fun new activities that we can use to introduce our students to the fun side of maths, and maybe teach them something in the process. Enter the calculator word crossword puzzle! A great exercise in learning their way around using a basic calculator, and if […]

## Worksheet 18 – Measurement (Surface Area and Volume)

This grade 10 maths worksheet on Measurement looks at the surface area and volume formulas for the sphere, cone, cube, cylinder, pyramids (square and equilateral triangle- base), and rectangular prisms. It then goes on to apply these equations, through changing measurements and solving calculations.   Download here Measurement worksheet here: Worksheet 18 – Measurement Worksheet […]

## #FutureFund

Since (re)-joining Seartec in June of this year, I have really wanted to use my powers for good. And by this, I mean that I want to make a positive impact in the lives of students and teachers across the country. Our CEO shares the same vision, and so when we sat down to discuss […]

## #FutureFund Countdown

I sit here in Durban, writing this with the rain beating on the roof. On the drive from the airport, the request for help for a high school went out. They needed the very basics. Someone to help revamp the toilets and paint for their school classes and buildings. The teachers and principle try to […]

## Worksheet 20: Transformation Geometry

This grade 9 maths worksheet covers transformation geometry for term 4. It tests the definitions of reflections, rotations and translations, as well as enlargements and reductions. It then asks for for the images of the points affected by these transformations and then for the rules for given points. Finally there are application questions and questions […]

## Workshops

Over the years, we have done many workshops on how to use the Sharp EL-W535HT scientific calculator, and have recently added workshops on the Sharp EL-W506 advanced scientific calculator, the S25 (the Junior Quiz Calculator) and the brand new EL-W535SAB which will eventually replace the EL-W535HTB. We have often had requests for the workshop material […]

## New Sharp EL-W506 Manual

The Sharp EL-W506 advanced scientific calculator is a great tool for any student, and particularly for those who will continue studying maths in university. It includes 556 different functions, and 7 different modes, including matrices and complex numbers. You can even use it to calculate the inner- and outer-products of two vectors. It is the […]