A rectangle FGHJ has a width of 3 inches and a length of 7 inches. Answer the following questions:

a) What is the Area of the rectangle?

b) What is the Area of the new rectangle if you double the width of FGHJ? How did you find it? How much bigger or smaller did the new Area get?

c) What is the Area of the new rectangle if you double the width and length of rectangle FGHJ? How did you find it? How much bigger or smaller did the new Area get compared to the area of FGHJ?

d) Now choose a different shape of your liking and give it your own dimensions. Answer questions a), b), c) and d) for the shape you chose.

e) Can you generalize what happens if you change one of the dimensions of a shape and what happens when you change both dimensions of the shape?