Shapes and Perimeter

What pattern did you notice about the perimeter when adding a parallelogram?

• Decreased by 1

• Increased by 4

• No pattern

• Increased by 2

Which shape had the greatest increase in perimeter after adding a shape?

What pattern did you notice about the perimeter when adding a trapezoid?

• Increased by 2

• Increased by 1

• Decreased by 3

• Increased by 3

What pattern did you notice about the perimeter when adding a hexagon?

• Increased by 2

• Increased by 4

• Decreased by 2

• Increased by 3

Which shape's perimeter only increased by 1 each time?