three dimensions

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PERIMETER is the distance around an object. We measure it in straight units of length like inches, feet, miles, centimeters, or meters. (sample abbreviations: ft, in, cm, m) click here for more perimeter info
Now AREA is the measure of the amount of flat surface and object covers. To measure flat surface we use squares. So our units will be things like square inches, square feet, square miles, square centimeters etc. (sample abbreviations: sq.cm., in², ft²)
Finally, VOLUME is the amount of 3 dimensional space an object takes up. We use little cubes to measure volume. So the units of volume are things like cubic inches, cubic feet, cubic centimeters etc. (sample abbreviations: cu.in., ft cubed, m³, mi³)

Now test your understanding of these concepts by taking this small quiz.
If you get 100%, you are a MASTER GEOMETER!

*Write down the concept being described in each. Is it PERIMETER, AREA, or VOLUME

1. My new puppy plays in a room that is 12 feet long and
11 feet wide. How much surface does he have to run on?

2. The puppy's travel cage is 20 inches wide, 30inches long,
and 15 inches high. How much room does he have in this cage?
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3. We drove around lake Arthur last weekend. It was a 75 mile trip.

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4. The circumference of a basketball is 18 inches.
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5. I'm painting the ceiling in my bedroom purple. I need to figure out how
much paint I'll need. One gallon will cover 120 square feet.
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6. I have a freezer that has about 3 feet by 2 feet by 14 inches of space left
open. My husband kills a deer and brings home 50 pounds of dear meat.
If each pound of meat takes up 60 cubic inches, will it all fit in my freezer?
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7. There was a time, long, long, ago, when Mrs. Loughry's vital measurements
were 34", 24", 36". ( " is an abbreviation for inches)
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8. How much material do I need to cover a window that is 2feet wide and
3 feet high?

9. Michael Jordan flew around the world on his last trip. How far did he go?

10. I'm making my own brand of "Beanie Babies" , I call them "Rice Rats".
I need to figure out how how much rice to put in them.
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Click here to check your answers.

Answers:

1. area
2. volume
3. perimeter
4. perimeter
5. area
6. volume
7. perimeter
8. area
9. perimeter
10. volume

REMEMBER THIS!

Perimeter and area and volume measure different things!

Click HERE go to the rest of this lesson!!