Matchsticks

Reasoning about the number of matches needed to build squares that share their sides.
Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving
Being curious Being resourceful Being resilient Being collaborative


Imagine a matchstick.
Image
Matchsticks
How many more are needed to make a square?

How many more need adding to make yet another square along side it?

Carry on adding more squares ...
How many matches have you added?

How many matches are there when you have made 10 squares in the row?

20 squares? 50 squares?