Which one?

Put two rods end to end.

Now take one rod which is smaller than the length you have just made.

Find the rod which you must use to make it the same length as the others.

Screen Shot 2016-07-08 at 16.22.26










Try this with different combinations.

Do you always find the right rod first time?

Can you find different pairs of rods which equal the first pair you selected?

Is there a pattern?

Can you talk about what you have found?

Can you write about it?




Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )


Connecting to %s