Tangram 2D Shapes
To make your 7-piece Tangram Puzzle, either make your own tangram pieces from scrap paper as shown in this video or use this diagram and carefully cut out the pieces.
Now use the pieces of your Tangram to make
• An isosceles triangle
• A rectangle
• A […]
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 […]
Arrange the 7 tangram pieces to make the shape in the grey picture.
What do you notice about the pattern? Draw the pattern and make a list of what you see in it.
Describe the shapes of the tangram pieces.
What is the same and what is different about the shapes of […]
Take any triangle and label it ABC with A as the largest angle. Fold the triangle along PQ, PS and QT where the points P and Q are the midpoints of AB and AC and PS and PT are perpendicular to BC.
What do you notice? Why does this happen? Will it […]
Is a Square a Rectangle?
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.
Scale Paper Airplanes
This is the first in the ALL ABOUT SCALE sequence of lesson packs.
Watch the video http://bit.ly/ScalePaperAirplanes. The video gives instructions for making the planes but you can use your own design. Using scrap paper is more planet friendly.
Command The Robot 2
Watch this turtle. Describe his path.
What commands would you give to make the turtle do this?
This activity will help you to start writing programs to command the robot even if you have never done anything like this before and you know nothing about coding. The LOGO language is simple to […]
Investigating circle theorems
Activity 1: Finding the centre of the circle
You will need a cut-out paper circle (about 12cm diameter).
Use a circle that does not show the centre. Fold your circle along a diameter. Mark the ends A and B. Now unfold your circle and then fold again along a different diameter and mark the […]
Make a 3D cube out of rolled paper sticks, tied together at the ends. Push your cube gently down and sideways. It will collapse into a 2D shape. Can you collapse your cube into
a 2D rectangle made of 2 squares?
Can you fold […]
The right angled triangles numbered 1, 2, 3 and 4 in the diagrams all have sides of length a, b and c. They are identical (congruent) copies of each other.
Cut 4 congruent right angled triangles from some scrap paper. Arrange them as shown in diagram […]
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