Predict

I reckon  it is about measurement .

 

Read

http://www.problempictures.co.uk/examples/op15.htm

 

Clarify

Nothing to clarify.

 

Question

Why show that way in problem solving.

 

What is the big question

How many squares are there.

Mathematician’s tool box

make a diagram , guess check and in prove and have  I seen a similar problem.

Answer

21

 

I reckon my I did really well , I under stand  it really well on my opinion I put a link if you would like to see the question

http://www.problempictures.co.uk/examples/op15.htm