0013 0014 gr3 s c01l1hw 115022 -...
TRANSCRIPT
Copy
right
© T
he M
cGra
w-H
ill Co
mpa
nies
, Inc
. (l)
Jeff
Shaf
fer/D
awn
Smith
/Get
ty Im
ages
, (r)
McG
raw
-Hill
Com
pani
es
Name
Practice
Circle the better unit to measure each mass.
1. bowling ball 2. zebra 3. cell phone
gram kilogram gram kilogram gram kilogram
4. laptop computer 5. pair of socks 6. a marble
gram kilogram gram kilogram gram kilogram
Circle the better estimate for each mass.
7. 8.
4 grams 4 kilograms 2 grams 2 kilograms
Need help? connectED.mcgraw-hill.comHomework Helper
Gordon wants to measure the mass of his German shepherd. Is it more reasonable for Gordon to measure his dog’s mass in grams or kilograms?
A paper clip has a mass of about 1 gram. A textbook has a mass of about 1 kilogram.
Because Gordon’s dog is large, it does not make sense to measure its mass in grams. It is more reasonable for Gordon to measure his dog’s mass in kilograms.
Lesson 3
Hands On: Estimate and Measure Mass
Program: GMH CCM Component: SEPDF Pass
Vendor: Quad Graphics Grade: 3
Lesson 3 My Homework�649
eHelp
Measurement and Data
3.MD.2
0649_0650_Gr3_S_C11L3HW_116191.indd 6490649_0650_Gr3_S_C11L3HW_116191.indd 649 10/7/11 3:14 PM10/7/11 3:14 PM
Copy
right
© T
he M
cGra
w-H
ill Co
mpa
nies
, Inc
. Si
ede
Prei
s/Ph
otod
isc/
Getty
Imag
es
Circle the better estimate for each mass.
9. 10.
20 grams 20 kilograms 3 grams 3 kilograms
Problem Solving
11. 5 Use Mental Math Dylan is making a casserole that serves 4 people. The recipe calls for shredded cheese. Would it be more reasonable for Dylan to measure the mass of the cheese in grams or kilograms? Explain.
12. Paulette needs help moving her file cabinet. Is 40 grams or 40 kilograms a more reasonable estimate for the file cabinet’s mass? Explain.
Vocabulary Check
Choose the correct word to complete each sentence.
mass gram kilogram
13. The amount of matter an object has is its .
14. A baseball bat has a mass of about 1 .
15. A penny has a mass of about 1 .
It is more reasonable to measure the cheese in grams. The
recipe serves only 4 people, so a kilogram or more would be
too much cheese.
40 kilograms is a more reasonable estimate. She would not need
help moving something with a mass of only 40 grams.
mass
kilogram
gram
Program: GMH CCM Component: SEPDF Pass
Vendor: Quad Graphics Grade: 3
650�Chapter 11 Measurement
Vocab
0649_0650_Gr3_S_C11L3HW_116191.indd 6500649_0650_Gr3_S_C11L3HW_116191.indd 650 10/7/11 3:19 PM10/7/11 3:19 PM