Area of Squares Rectangles Parallelograms Trapezoids

Jasmine and Roland each use unit squares to tile a piece of paper.

Can one of the arrays be used to correctly measure the area of the piece of paper? If so, whose array would you use?

• Jasmin's Array

• Roland's Array

What is the area of the piece of paper?

• 10 square units

• 24

• 24 square units

• 10

How many more unit squares are needed to fill in the rest of the rectangle?

• 16 unit squares

• 8 square units

• 4 square units

• 6 square units

What ways can you decompose a square?

• 4 triangles

• 1 rectangle

• 2 trapezoids

If you and a friend shared a square sandwich and cut it in half from one vertex to the other vertex, what 2 shapes would be made?

• 2 triangles

• 2 squares

• 2 rectangles

• quadrilateral and triangle

What does area mean?

• the distance around a shape

• half the distance around a shape

• the amount of space outside a shape

• the amount of space inside a shape

How can you decompose a parallelogram?

• 2 trapezoids

• 2 triangles

• 4 triangles

How can you decompose a trapezoid?

• 2 parallelograms

• 2 squares

• 3 triangles

If you take two squares and compose them, what shape can be made?

• triangle

• square

• octogon

• rectangle