Watch Fire hydrants in action in the classroom
Description: Pupils investigate the placing and number of fire hydrants required in a city with square blocks that form a rectangular grid. .
Suitability: Pupils working at all levels;individuals or pairs.
Time: 1 – 2 hours
Equipment: Square grid (or dotty) paper mini-whiteboards, counters or multilink cubes or square tiles, straws or pipe cleaners
Key mathematical language: Minimum, grid, arrangement, odd, even, symmetry, variable, exception