Area of Plane Figures

Presentation

•

Mathematics

•

4th - 5th Grade

•

Hard

Joseph Anderson

FREE Resource

10 Slides • 15 Questions

Area of Plane Figures - G8C9L1

Rectangle, Square, Trapezium, Rhombus, Composite figures, Circle, Sector

Objective

WWBAT COMPUTE the area of figures by combining the figures or parts of them.

WE ARE INDEPENDENT LEARNERS.

I CAN!

SELF ASSESSMENT RUBRIC

Agenda

What exactly is area?
Pre work discussion - 10 minsa
Area of rectangle
Area of square
Area of triangle
Area of parallelogram

What's the difference between finding length and finding area?

Length is one dimensional hence we can measure using scale/Ruler.

Area is two dimensional hence we measure in square units

Multiple Choice

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

Multiple Choice

What is the area of a rectangle with side lengths 3 inches by 5 inches?

15 square inches

16 inches

15 square feet

22 inches

Multiple Choice

What units do we measure area in?

inch units

square units

centimeter units

Multiple Choice

What is the area of the shaded region of the rectangle?

6 square units

8 square units

9 square units

12 square units

Multiple Choice

Mahi drew a square. Each side measures 6 cm. What is the area of the square?

24 sq cm

36 sq cm

42 sq cm

48 sq cm

Multiple Choice

If I wanted to put tile down in my kitchen, I would need to find:

area

perimeter

Multiple Choice

What is the area of this figure?

12 sq. cm

32 sq. cm

16 sq. cm

28 sq. cm

Multiple Choice

If I wanted to paint a wall, that would be an example of:

area

perimeter

Multiple Choice

Identify the polygon.

Triangle

Quadrilateral

Rectangle

Pentagon

Multiple Choice

What do we call a shape with two pairs of parallel lines?

A trapezoid

A rhombus

A ray

A parallelogram

Multiple Choice

Cooper used his ruler to measure the side of a square, as shown.

What is the area of the square?

4 sq. in.

8 sq. in.

12 sq. in.

16 sq. in.

Multiple Choice

What is the formula for the area of a square?

A=bh

A=lw

A=s²

A=1/2(bh)

Multiple Choice

What is the formula for the area of a parallelogram?

A= base x height

A=length x width

A=side x side

A=1/2 * base * height

Multiple Choice

What is the formula for the area of a triangle

A= base x height

A=length x width

A=side x side

A=1/2 * base * height

Multiple Choice

What is the formula for the area of a rectangle

A= base x height

A=length x breadth

A=side x side

A=1/2 * base * height

Post work

Please find 3 shapes around your place and find the area for each one of them.

1. Rectangle

2. Square

3. Triangle.

Instructions

1. Click a picture

2. Find the length of the sides using scale/ruler

3. Apply the formula for area

4. Calculate

Thank you!

Area of Plane Figures - G8C9L1

Rectangle, Square, Trapezium, Rhombus, Composite figures, Circle, Sector

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