Surface Area The sum of the areas of each face on a 3-D figure To find surface area, add the area of each face together Front-2 X 5 = 10 Back-2 X 5 = 10.

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Presentation transcript:

Surface Area The sum of the areas of each face on a 3-D figure To find surface area, add the area of each face together Front-2 X 5 = 10 Back-2 X 5 = 10 Top-2 X 3 = 6 Bottom-2 X 3 = 6 Left-3 X 5 = 15 Right- 3 X 15 = 15 Sum= 62 square units 2 3 5

Area Use the formula to find area! Triangle=base X height ÷ 2 Rectangle= length X width Parallelogram = base X height Trapezoid = (base1 + base 2) ÷2 X height Circle = π X radius 2 The square units of measure inside an object

Volume The amount of space an object occupies measured in cubic units Volume=base area X height V= 6 X 3 X 4 V= 72 cubic units 6 3 4

Perimeter The distance around an object or polygon To find perimeter add all the sides together P= P=34 units 10 12

Directions Get a piece of notebook paper, write your name on top. On your notebook paper, number 1 to 15 Determine if each situation is perimeter (P). Area (A), Surface Area (SA) or Volume (V) Write the abbreviation beside each number.

1. wrapping paper on a gift box

2. Label on a can of food

3. how much paper to cover the bulletin board

4. how much rice will fill a bowl

5. how much paint is needed to paint the walls of room

6. how many tiles to cover the bathroom floor

7. fencing around a garden

8. the amount of toys that will fit in a toy box

9. how much cardboard to make a box

10. how much fabric to make a pillow

11. how much wood to make a picture frame

12. how much stuffing to fill a pillow

Answers 1.SA 2.SA 3.A 4.V 5.SA 6.A 7.P 8.V 9.SA 10.SA 11. P 12. V