Search

problem

World of Tan 10 - Butterflies

7 to 11

Can you fit the tangram pieces into the outline of the butterfly?

article

Coordinating classroom coordinates

7 to 11

This article describes a practical approach to enhance the teaching and learning of coordinates.

problem

A triomino is a flat L shape made from 3 square tiles. A chess board is marked into squares the same size as the tiles and just one square, anywhere on the board, is coloured red. Can you cover the board with trionimoes so that only the square is exposed?

problem

Favourite

How many times?

7 to 11

On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?

problem

Magic triangle

7 to 11

Place the digits 1 to 9 into the circles so that each side of the triangle adds to the same total.

problem

Favourite

What shape and colour?

5 to 7

Can you fill in the empty boxes in the grid with the right shape and colour?

problem

Interpenetrating solids

16 to 18

This problem provides training in visualisation and representation of 3D shapes. You will need to imagine rotating cubes, squashing cubes and even superimposing cubes!