Make an eight by eight square, the layout is the same as a chessboard. You can print out and use the square below.

What is the area of the square?

8 x 8 square.

Divide the square in the way shown by the red dashed lines. Cut along the red lines.

Rearrange the four pieces to make a rectangle that has one side of five squares.

What is the size of the other side?

What is the area of the rectangle you have constructed?

Is there a difference between the two areas that you found.

Can you explain your results?