 Category Archives: Topics

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 […]

Enter the Quadratic Function using your Memory Keys For example: 0 = 2×2 + 5x – 6 Make sure you are in Normal mode by pressing  0. We know that a = 2; b = 5 and c = -6. We need to store this in the calculator. So we press 2   . Now store b so type […]

How to Prove the CAST Diagram

To prove the CAST Diagram On your SHARP EL535 calculator press . Then type in . For X_Start: type in 90 and . For X_Step: type in 15 and . Look at the answers between -90 and 0 – are they all positive or all negative? They are all negative: therefore sin is negative between […]

How to convert decimal numbers to binary numbers

Binary numbers are based on the concept of ones and zeros or something similar to on and off. The base used to count in binary number is 2 and the one and zero says whether that 2 is on or off. The position of the one or zero in the binary number tells you to […]

Worksheet 11: Geometry of 2D Shapes

This worksheet looks at the Geometry of 2D shapes in the grade 8 CAPS document (topic 3.1). It includes classifying 2D shapes – both triangles and quadrilaterals; similarity and congruency and solving problems questions. Download: Worksheet 11: Geometry of 2D Shapes Worksheet 11 Memorandum: Geometry of 2D Shapes

Parallel Lines Rules

An A3 poster for the rules of parallel and straight lines such as corresponding and alternating angles. It also includes vertically opposite angles.   Parallel Lines Rules

Worksheet 5: Data Handling (2)

This grade 12 mathematical literacy worksheet gives students practice question on data handling including analysing bar graphs, and pie charts, drawing their own graphs and answering questions about the data and scale of the graphs.   Worksheet 5: Data Handling (2) Worksheet 5 Memorandum: Data Handling (2)

Worksheet 9: Maps, Plans and Representations

This worksheet tests the maps, plans and representations skills grade 10 mathematical learners should have mastered in the second term. Worksheet 9: Maps, Plans and Representations Worksheet 9 Memorandum: Maps, Plans and Representations

Revision Term 1

This revision worksheet for CAPS term 1 tests all the skills that should have been learnt in the first term. The worksheet tests exponents, surds, equations including inequalities, completing the square, trinomials, and exponentials. It also tests simultaneous equations skills before looking at nature of roots. Finally revision on linear and quadratic patterns is given. […]