Page 169 - NUMINO TG_4A

11Unit Quadrilateral Puzzle

jOb ective Create quadrilaterals using the puzzle sheet.

1. Textbook Instructions UNIT

Students will review the properties and 11 Quadrilateral Puzzle
characteristics of quadrilaterals (rectangles,
squares, trapezoids, parallelograms, The puzzle pieces are made by cutting a square into 4 pieces.
trapezoids). Give students time to review and Use 4 pieces to make different quadrilaterals.
compare the quadrilaterals.
The Puzzle Sheet [A5] is a square divided into 4 What you need: A B B Puzzle Sheets (A5)
pieces. Have the students cut the puzzle C A
sheets and move around the pieces to make
different types of quadrilaterals. C

Which quadrilateral is the puzzle sheet? DD
Square.
How many pieces is it divided into? B
4 pieces. A
Move piece B as shown in the diagram.
How many pairs of parallel sides are there C
in the new figure? One.
What is the name of a figure that has one D
pair of parallel sides? Trapezoid.
Now move piece A from the original figure. Move 1 piece to make a different shape.
How many pairs of parallel sides are there?
Two. B A B A quadrilateral
Are the opposite sides the same length? A C with exactly
Yes.
What is the name of a figure that has two C D 1 pair of parallel
pairs of parallel sides and whose opposite sides is called a
sides are the same length? Parallelogram. D
trapezoid.
trapezoid

B B A A quadrilateral with
A C 2 pairs of parallel
sides is called a
C D
D parallelogram.
parallelogram Opposite sides of
90 parallelograms are

equal.

2. Build Understanding

Making quadrilaterals with the Puzzle Sheet A Trapezoid:
C One pair of parallel sides.
Square:
DB
B

A 4 equal sides.
C Two pairs of parallel sides.
4 right angles.

D

152 NUMINO Teacher s Guide