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"Lesson Activities"
It is not difficult to put a list of decimals in order of size. But what about ordering fractions?
John Farey introduced sequences of sequences of fractions in order of size, now called Farey sequences. Can you discover his method from the following examples?
What patterns do you see in them?
Suppose you have to share 9872 gold coins between 8 people.
You give the coins out in thousands until there are less than 8000 left.
Then you give out one hundred at a time until there are less than 800, then […]
BUILD A FRACTION WALL
This wall is 1 unit wide. It shows one unit and two half units.
Click here to download the FRACTION WALL 30-minute lesson instructions and worksheet. Cut out the strips. Rearrange the order of the strips to build a wall with smaller and […]
This is not an activity to do on your own. Work with a partner or a small group. The Our World In Data website, compiled by a research team at Johns Hopkins University, has built 207 country profiles which allow you to explore the statistics on the coronavirus pandemic for every country […]
Do your own experiments using number cards to play the games and pick 2 cards at random each time.
In Game A an envelope or bag contains balls, or cards, numbered 2, 3, 4, 5 and 6. Pick out two balls or cards at random. If the total is even you win. […]
Ram had 15 coins, all the same kind, and he put them into 4 bags.
He labelled each bag with the number of coins inside it.
He could then pay any sum of money from 1 coin to 15 coins using one or more of the bags without opening any of the bags.
How […]
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 […]
Why does this fold create an angle of sixty degrees?
Make a centre crease down the length of the paper then open it up.
Next fold one corner over and onto the centre crease so that the fold line passes through the corner next to it (on the short side of the paper).
You […]
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 […]
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 […]
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