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151_G4U23_G4U30˙—» ¿º 2011.3.23 5:32 PM ˘ ` 68 PDF_In 2540DPI 150LPI T
Activity 3 Shapes with Equal Areas
Use 24 square tiles to make different types of rectangles. Draw the rectangles
on the grid paper.
What you need: Grid Paper(B2)
Record the length, width, perimeter, and area of each rectangle.
Rectangle Length (unit) Width (unit) Perimeter (unit) Area (sq unit)
1 24 1
2 12
3 8 4 20 24
4 6
What similarities and differences do you notice among the rectangles?
Which rectangle has the greatest perimeter?
68
Activity 3 Shapes with Equal Areas
Use 24 square tiles to make different types of rectangles. Draw the rectangles
on the grid paper.
What you need: Grid Paper(B2)
Record the length, width, perimeter, and area of each rectangle.
Rectangle Length (unit) Width (unit) Perimeter (unit) Area (sq unit)
1 24 1
2 12
3 8 4 20 24
4 6
What similarities and differences do you notice among the rectangles?
Which rectangle has the greatest perimeter?
68
