Page 115 - STEPS MATHEMATICS 4A

1 cm squared
paper or RM A

Copy and complete each rectangle so that it has
the given area. Write its area underneath.
Next to each one, draw a rectangle whose
sides are half as long. Write its area underneath.

72sqcm

48sqcm
48sqcm
96sqcm

SOsqcm 56sqcm

Write about how the area has changed in the smaller rectangles.

CHALLENGE

If you double the length of the sides of these shapes,
each will have an area of 20 sqcm.
Draw the shapes to show
this is true.

I STEPS 4a:341