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problem
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This Puzzling Sweet Shop
7 to 11
There were chews for 2 cents, mini eggs for 3 cents, Chocko bars for 5 cents and lollypops for 7 cents in the sweet shop. What could each of the children buy with their money?
problem
Favourite
Always, Sometimes or Never?
5 to 11
Are these statements relating to odd and even numbers always true, sometimes true or never true?
problem
Favourite
Which is Bigger?
14 to 16
Which is bigger, n+10 or 2n+3? Can you find a good method of answering similar questions?
problem
Favourite
Tangram Tangle
5 to 7
If you split the square into these two pieces, it is possible to fit the pieces together again to make a new shape. How many new shapes can you make?
problem
Favourite
Break It Up!
5 to 11
In how many different ways can you break up a stick of seven interlocking cubes? Now try with a stick of eight cubes and a stick of six cubes. What do you notice?
problem
Big and Small Numbers in the Physical World
14 to 16
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
problem
Favourite
Square Corners
7 to 11
What is the greatest number of counters you can place on the grid below without four of them lying at the corners of a square?
article
Using Questioning to Stimulate Mathematical Thinking
Good questioning techniques have long being regarded as a fundamental tool of effective teachers. This article for teachers looks at different categories of questions that can promote mathematical thinking.
article
The Development of Spatial and Geometric Thinking: Co-ordinating Space in Drawings
This second article in the series refers to research about levels
of development of spatial thinking and the possible influence of
instruction.