Name____________________ Date_____ Period____ Teacher ___________
MASS – Day 1
Metric System
The Metric System is used ___________________ except ___________.
1) How heavy is a milligram? ____________________________________.
2) How heavy is a gram? _______________________________________.
3) How heavy is a kilogram? ____________________________________.
English System (Customary Units)
4) How heavy is a pound? ____________________________________.
5) How heavy is an ounce? _______________________________________.
6) How heavy is a ton? ____________________________________.
Tools for Measuring Mass
7) A ________________ compares the mass of two objects.
8) A _______________ measures the mass of food.
9) A _________________ measures the mass of a person.
10) A __________________ measures the mass of heavy objects, up to 30 tons.
You Try it!
1) Which unit would you use to measure an ink pen?
a)
b)
c)
d)
ounce
ton
pound
tablespoon
2) Which of the following items weighs about 1 pound?
a)
b)
c)
d)
a motorcycle
a television set
25 bricks
A box of spaghetti
3) Which unit would you use to measure the mass of an airplane?
a)
b)
c)
d)
pound
ounces
tons
tablespoons
4) Which unit would you use to measure a feather?
a)
b)
c)
d)
milligram
gram
kilogram
metric ton
5) Which unit would you use to measure the mass of a 60 – inch television set?
a) milligrams
b) grams
c) kilograms
d) metric tons
6) An egg weighs about 5 ______________.
a) milligrams
b) grams
c) kilograms
d) metric tons
7) Which scale should be used to measure the mass of a bag of grapes?
a. Balance
b. truck scale
c. produce scale
d. bathroom scale
8) Which scale should be used to compare the mass of a picture frame and a pair of scissors?
a. Balance
b. truck scale
c. produce scale
d. bathroom scale
Example 1
A box of cereal has a mass of 300 grams. What is the measure in kilograms?
Step 1: Identify the units, and look at reference sheet:
Step 2: Set up proportion
Step 3: Solve
Example 2
Jeremy’s dog weighs 8 pounds. What is this measure in ounces?
Example 3
Tony’s car weighs 4,000 pounds. How many tons is this?
Example 4
A pitcher of water has a mass of 2.5 kilograms. What is this mass in grams?
Name_________________ Date_____________ period__________
Converting units of Mass - HW
1.
Lisa bought 9 pounds of sand. What is this weight in ounces?
2.
Tony’s car weighs 6,000 pounds. How many tons is this?
3.
A pitcher of water has a mass of 3.5 kilograms. What is this mass in grams?
4.
Robin’s suitcase weighs 672 ounces. What is this weight in pounds?
5.
A beaker of water has a mass of 50 grams. How many milligrams is this?
6. Which unit would you use if you were
measuring the weight of five pieces of paper?
a. tons
b. pounds
c. inches
d. ounces
7. Which object would you estimate to have a
mass of 20kg?
8. Which of the following is an appropriate
unit for measuring the weight of a microwave
oven?
a. shoe
b. a cell phone
c. a chair
d. a truck
9. Which of the following most closely
matches the weight of a cat, who weighs 14
pounds?
a. milligram
b. gram
c. centimeter
d. kilogram
10. Which of the following is the best
estimate of the weight of a skateboard?
a. bunch of bananas
b. a textbook
c. bicycle
d. pack of gum
11. Which is the best estimate of the mass
of a bowling ball?
a. 12oz
b. 5 lbs
c. 10 t
d. 50 lbs
a. 506g
b. 500g
c. 5 kg
d. 50 kg
12. Which is the best estimate of the weight
of a pair of glasses?
13. Which is the best estimate of the mass of
a feather?
a. 4 oz
b. 16oz
c. 5 lb
d. 2 T
a. 17g
b. 17kg
c. 17mg
d. 17 t
14. Which scale should be used to measure
the mass of a race car?
15. Which scale should be used to measure
the mass of a child?
a. Balance
b. truck scale
c. produce scale
d. bathroom scale
a. Balance
b. truck scale
c. produce scale
d. bathroom scale