Cubes

How many faces can you see when you arrange these three cubes in different ways?

I'm Eight

Find a great variety of ways of asking questions which make 8.

Let's Investigate Triangles

Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?

Always, Sometimes or Never?

Age 5 to 11 Challenge Level:

Are the following statements always true, sometimes true or never true?

You could cut out the cards from this sheet (word, pdf) and arrange them in this grid.

Can you find examples or counter-examples for each one?

For the “sometimes” cards can you explain when they are true? Or rewrite them so that they are always true or never true?

Interactivities. Making and proving conjectures. Creating and manipulating expressions and formulae. Visualising. Working systematically. Addition & subtraction. Factors and multiples. Odd and even numbers. Generalising. Mathematical reasoning & proof.

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Always, Sometimes or Never?

Age 5 to 11 Challenge Level: