Area and Perimeter Polynomials

Presentation

•

Mathematics

•

9th Grade

•

Medium

•

CCSS

6.NS.B.3, HSA.APR.A.1, 4.MD.A.3

Standards-aligned

Raymee Burrell

Used 14+ times

FREE Resource

8 Slides • 10 Questions

Perimeter

The distance AROUND a polygon

How do we find perimeter?

We find perimeter by counting the units around the shape or adding the length of all of the sides together

You can also add the sides together to find the perimeter.

Multiple Choice

What is the PERIMETER of this shape?

20 inches

21 inches

14 inches

6 inches

Multiple Choice

What is the perimeter of this shape?

4 units

10 units

20 units

6 units

Multiple Choice

What is the perimeter of this rectangle?

$8x^2+24$

$units^2$

$12x+22$

$units$

$8x^2+28x+24$ $units^2$

$6x+11$

$units$

Multiple Choice

What is the Perimeter?

3x - 3 inches

6x - 6 inches

3x - 6 inches

6x - 3 inches

Multiple Choice

The perimeter of the
triangle is $10x+20$ . Find the length of the missing side.

$6x+10$

$15x+30$

$5x+10$

$5x-10$

When do we need to find the perimeter

Solving how much fence we need to go around a yard
Solving how many tiles are needed to go around a swimming pool
Solving how long a race track is around a field
Solving how long the boundaries are around a soccer field

Area

The amount of space a shape takes up

Multiple Choice

What is the Area?

2x² - 3x - 18 inches²

2x² + 3x + 18 inches²

2x² + 9x - 18 inches²

2x² - 9x - 18 inches²

When do we solve for area?

When we want to know how much space a shape takes up.

Multiple Choice

What is the area of the rectangle.

32 feet

32 square units

32 square feet

Multiple Choice

^{What is the area?}

14 square feet

14 square yards

40 square feet

40 square yards

Multiple Choice

What is the area of this rectangle?

$8x^2+24$

$units^2$

$12x+22$

$units$

$8x^2+28x+24$ $units^2$

$6x+11$

$units$

Multiple Choice

What is the Area?

$2x^2-3x-18$ sq, in.

$2x^2+3x+18$ sq. in.

$2x^2+9x-18$ sq. in.

$2x^2-9x-18$ sq. in.

When do we need to find the area?

Solving how much paint we need to paint a wall
Solving how much flooring we need to cover a floor
Solving how big a blanket needs to be to fit a bed
Solving for a case to fit on a phone or tablet

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