Posts by: toni
GRADE 8 GEOMETRY OF STRAIGHT LINES
GRADE 9 GEOMETRY OF STRAIGHT LINES
Click on the above for some activities on these topics.
Or, […]
This is a classic Chinese Tangram. Each of the people illustrated, and many convex polygons, can be made with the 7 pieces and there are hundreds of other puzzles based on this tangram.
Can you find a way to fold a sheet of paper so that you can cut out the tangram pieces accurately […]
Investigate what happens if you reflect the blue flag in Mirror 1, then reflect that reflection in Mirror 2.
Do you get the same results for the red flag if you reflect it first in Mirror 2 then reflect that reflection in Mirror 1?
You might like to copy the […]
Can you solve this 5 by 5 magic square?
Look carefully at the numbers in the 4 by 4 square.
What do you notice?
Add up the rows. Add up the columns. Add up the diagonals.
The square is magic.
Look carefully at the patterns when you find numbers adding up to 17.
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This activity is about journeys to school, your own journeys and journeys to school by other children. Watch this video https://www.youtube.com/watch?v=rYA8SbqRwt8
The picture shows a 5 hour journey into the mountains on a narrow path to probably the most remote school in the world in Gulu, China.
The […]
Make a record of all the rectangles that you can find in this shape.
Which rectangles are exactly the same (congruent)?
Which rectangles are similar?
Is a Square a Rectangle – Template
Click here to download the IS A SQUARE A RECTANGLE? worksheet.
Click here to download the NOTES FOR TEACHERS.
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(1) Plot the graphs of the straight lines y = x, y = 1.1x – 0.2
and y = 0.9x – 0.1
What do the graphs tell you about the solutions to the two pairs of simultaneous equations y = x y = 1.1x – 0.2 and y = x y = 0.9x – 0.1 […]
What is the rule (or function) that gives the outputs corresponding to the inputs shown in the diagram mapping 1 to 8 and 3 to 24 etc?
The Function Game is played in silence. Learners have to guess the function in the teacher’s mind. The teacher tells the learners that she wants […]
Download the pieces of the puzzle here and cut out the 16 small triangles.
Arrange the 16 pieces into a larger triangle so that the numbers on matching edges are the same, for example .
Click here to download the POWER MATCHING worksheet.
Click here for Notes for […]
Find values of x and y for which these five expressions all have the same value.
Do you have exactly the right amount of information or more information than you need?
Click here to download the MATCHLESS worksheet.
Click here to download the AIMSSEC Teacher Notes for MATCHLESS
This problem is adapted […]
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