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 […]

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 […]

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 […]

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 […]

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 […]

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

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)