Basic 4Mathematics22 min
Rectangle Design with Fixed Perimeter and Area
Designing classroom mats and garden beds with fixed boundary or tile counts.
One measure can stay fixed while the shape changes.
A class designs rectangular mats. Some designs use the same border length, while others cover the same number of square tiles.
Rectangle Design with Fixed Perimeter and Area illustration
Designing classroom mats and garden beds with fixed boundary or tile counts.
Find two rectangles with area 24 square units.
- Use factor pairs of 24. A 6 by 4 rectangle has area 24.
- Another rectangle is 8 by 3. It has the same area but a different shape.