Here is one example: F=1, O=9, T=4, B=6, A=5, L=3, G=8, M=2, E=7
How many solutions can you find?
There are 224 solutions altogether.
You can work with pencil and […]
Suppose you throw a double one. On the next throw, is your chance of throwing a double one the same, more likely or less […]
This is a game for two players (or a class split into two teams).
Take it in turns to choose one of the numbers 1 to 9. It is now your number and your opponent cannot choose it. Each number can be chosen only once.
To win, be the first to pick 3 numbers that […]
Grade 4 PAPER, SCISSORS, ROCK
Grade 5 GAME OF PIG
Grade 6 FIFTEEN GAME
Grade 8 FOOT + BALL = GAME
Grade 9 TARGET GAME
Grade 10 FUNCTION GAME
Grade 11 ICOSAHEDRON PUZZLE
Grade 12 PERMUTATION PUZZLE
For scissors hold out 2 fingers like a pair of scissors.
For paper hold your hand out flat.
For rock clench your hand into a fist.
Count 1 , 2, 3 and then, at the same time, both players make one of the signs: scissors, or paper or […]
There is a silver lining to this cloud of bad news. It’s terrible that people all over the world are getting sick. It’s terrible that so many people are dying. It’s terrible that so many people are faced with stress and many trials and tribulations. It’s terrible that the economy of all […]
This picture shows a rectangular prism made from 36 cubes.
How many different rectangular prisms can you make from 36 cubes?
Do they all have the same volume? Why or why not?
Do they all have the same surface area? Why or why not?
Take the area of each face of […]
This data from the World Health Organisation portrays the growth in the number of confirmed cases of the coronavirus disease. In some countries the pattern appears to be exponential growth. Data is given for the most affected countries and for the two countries in Africa with more than 10 cases.
In one week, new data […]
1.1 The square grids below the continuous line depict negative numbers and those above the line positive numbers. Study the square grids shown above with black squares forming a pattern. How is the pattern growing? Create square grids 9, 10 and 11; complete them with black squares to further develop the […]
What do you notice about the connections between the equations: ☐ × 8 + 1 = 9 etc. and the calculations: (9 – 1) ÷ 8 […]