Page 175 - NUMINO TG_4A

Activity 3 Make Quadrilaterals

jOb ective Create quadrilaterals using the pentagon sheet.

1. Textbook Instructions Activity 3 Make Quadrilaterals

Students will complete this activity using the A regular pentagon is cut into 4 pieces. Pentagon Sheets (A6)
Pentagon Sheet [A6] that has been divided
into 4 pieces. What you need:

Have the students use two pieces to make a A trapezoid is made with 2 pieces.
trapezoid.
What figure is the Pentagon Sheet? 1 . Use 2 pieces to make 2 different trapezoids. Glue them in the box.
A regular pentagon.
How many pieces is the sheet divided
into? 4 pieces.
Take two pieces to make a trapezoid.
Which pieces did you choose? Piece A and
piece D.
What defines a trapezoid? If it has one pair
of parallel sides.
Outline the parallel sides in red.

Find other ways to make a trapezoid. trapezoid

1. Have students use the 2 pieces from the 96
pentagon to make different trapezoids.

2. Build Understanding

Diagonal
The diagonal of a polygon is a line segment that connects two of the vertices of the polygon. It is not
a side of the figure.
Problem: Draw the diagonals for each figure and answer the following questions.

158 NUMINO Teacher s Guide