AREA AND PERIMETER
3D FIGURES AND NETS
SURFACE AREA
VOCABULARY
100

What is the area and perimeter of the following figure?

Area = 6(4.5) 

A = 24 square units

Perimeter = 6 + 6 + 4.5 + 4.5

P = 21 units

(units are not required)

100

This is a net of a _______________.

triangular pyramid

100

What is the surface area of this prism?

90 square units

100

The number of square units that fit into a 2D shape and the amount of space in a 2D figure? (What is the math vocabulary term for this?)

AREA

200

What is the area and perimeter of the parallelogram shown below?

A = bh                        P = 17 + 6 + 17+ 6

A = 17 x 4                   P = 23 + 23

A = 68 cm2                     P = 46 cm

200

What is the name of this shape?



Triangular prism


200

What is the surface area of the prism?

SA = 142 in2
Top:        3 x 5 = 15
Bottom: 3 x 5 = 15
Front:     5 x 7 = 35
Back:      5 x 7 = 35
Left:        3 x 7 = 21
Right:      3 x 7 = 21

200

The distance around a figure. (What is the math vocabulary term for this?)

Perimeter

300

Mario wants to paint the front triangular portion of his roof white. In order to buy enough paint, he needs to know the area of that part. What is the area?

For a triangle,A = ½bh
On Mario’s roof, A = ½ x 25 x 17

                              A = 212.5 feet

300

What shape is this figure?

Rectangular prism

300

Lauren is building a box to hold her art supplies. She wants the box to be 8 inches long, 6 inches wide, and 9 inches high. She does not want a top for this box. How much wood will she use to create this box?

Wood needed: 300 in2
Bottom: 8 x 6 = 48
Front:     8 x 9 = 72
Back:      8 x 9 = 72
Left:       6 x 9 = 54
Right:     6 x 9 = 54

300

The number of unit squares needed to cover a 3D figure is called...

SURFACE AREA

400

Nora has a table that is shaped like the trapezoid shown. What is the area of the tabletop?

Triangle 1 A = ½bh     Rectangle A = 12 (24).         A = ½ (6)(12)                           A = 12 (24)         A=3 (12)                                   A = 288 in2             A = 36 in2

Total Area: Triangle 1 + Triangle 2 + Rectangle                             36 + 36 + 288                                                            360 in2

 

400

Which of the following nets will create a cube? Select all.

A and D

400

What is the surface area of the triangular prism shown?

Surface Area = 294 cm2
Triangle: ½(4 x 6) = 12
Back Triangle: ½(4 x 6) = 12
Left Rectangle: 15 x 7 = 105
Right Rectangle: 15 x 7 = 105
Bottom Rectangle:   15 x 4 = 60


400

What is the formula for the area of a triangle?

A = ½bh

OR

A = bh divided by 2

500

Katrina wants to carpet her living room. Using the diagram of her living room, find the area that must be carpeted.

The total area is 272 ft2.

500

What 3D figure has a net with a square base and four triangular sides?

Square pyramid

500

Find the surface area of the net of the square pyramid.

SA = 132 in2

triangles =  1/2(6 x 8) = 24

24 x 4 = 96

square = 6 x 6 = 36

96 + 36 = 132

500

What is the difference between a rectangular pyramid and a triangular prism?

A rectangular pyramid has a rectangular base and four triangular sides that meet at one vertex

A triangular prism has two triangular bases connected by 3 rectangular sides.

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