Currently viewing the tag: "Reflection"
How many symmetric patterns can you make by shading whole squares in a 3 by 3 grid?
Where are the mirror lines (lines of symmetry)?
Which of your patterns also have rotational symmetry?
There are hundreds of patterns and here is just one. It has just one line of […]
Investigate what happens if you reflect the blue flag in Mirror 1, then reflect that image in Mirror 2.
Do you get the same results for the red flag if you reflect it first in Mirror 2 then reflect that image in Mirror 1?
You might like to copy the […]
What do you know about robots? What are drones? Are driver-less cars actually robots? What do you think about robots that move around warehouses to pick up and carry loads from place to place or control complicated machinery in factories? What do you think about robots that mow lawns and clean floors?
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Add the columns one by one, add the rows, then add the diagonals. What do you notice?
Add the numbers in the squares at the corners of each parallelogram shown. What do you notice? Yes, so far all these totals have been 34.
In addition the diagram with the […]
Fold a piece of paper in two and tear out half a person. An old newspaper is good for this. Now open out your little person and flatten it. You have made a paper doll that is symmetrical about the fold line. The two halves of the doll on […]
What do you notice about this diagram.
Draw the diagram accurately starting with a regular pentagon.
Find all the angles in the diagram.
Label 4 sets of congruent triangles. Which triangles are similar?
Describe the symmetries of the shape (that is the transformations that map the shape onto itself).
Describe the symmetries […]
The wall painting on the house in this photo shows geometric transformations: reflections, rotations and translations. The symmetries of a design are the transformations that leave the pattern looking exactly the same.
Assume that the parts of the design that look the same are identical and that they only appear different because […]
A hundred square has been printed on both sides of a piece of paper.
One square is directly behind the other.
What is on the back of 100? 58? 23? 19?
Can you see a pattern?
Click here for the HUNDRED SQUARE Notes for Teachers.
Click here for the HUNDRED […]
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