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"Lesson Activities"
You can make the five platonic solids using paper, string and sticky tape.
If you would like to find out how to do this click on the links below.
Click here for instruction sheet.
Click here for learner’s worksheet.
Click here for […]
Find some sticks, they could be twigs, or matchsticks or cocktail sticks, or rolled paper sticks, or pasta like spaghetti broken into short lengths, but they must all be the same length.
Arrange 16 sticks into this pattern.
As an easy starter, can you remove 4 sticks and leave […]
Below are three addition- subtraction problems that are classified into Level 1, Level 2, and Level 3.
Level 1: Find the sums and difference of the numbers indicated on the diagram (vertically/horizontally)
Level 2: Fill in the empty boxes such that the sums (difference) of the horizontally and vertically arranged numbers satisfy the given […]
A sequence is defined by the formula an = n2 – 2n + 1.
(a) Calculate the first 8 terms of the sequence.
(b) Calculate the first difference between the terms.
(c) Calculate the second difference between the terms.
(d) What can you say about the results you obtained?
Please click Guide for Home […]
The Great Pyramid at Giza in Egypt was built around 2500 BC. The pyramid has a square base ABCD with sides 232.6 metres long. The distance from each corner of the base to the apex E was originally 221.2 metres.
a. Draw 2 circles with equal radii, intersecting at C, so that each goes through the centre of the other.
b. Draw a third circle of the same radius with centre C.
c. Draw 4 more circles with centres on the circle centre A and passing through A.
There are some mistakes and some correct methods and correct answers.
Find the mistakes and write out the correct calculation using that method.
Explain how and why the methods that get the correct answers work.
How many squares can you make by joining four points on this grid?
Look for squares of different sizes and also tilted squares
Start with a 3 by 3 grid of nine dots. Can you find six squares?
Then go on to the 4 by 4 grid of sixteen dots.
What can you say […]
The diagram shows the graphs of five quadratic functions or parabolas.
How do the points where the graph cuts the x axis relate to the axis of symmetry of the graph and the solutions of the quadratic equation ?
Match the graphs in the diagram to the following descriptions and give reasons […]
For any triangle you can construct a line through one of the vertices parallel to the opposite edge.
Using what you know about angles and parallel lines prove that the angles of the triangle add up to 180 degrees.
Click here to download the ANGLE SUM worksheet.
Click here […]
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