REVIEW: Converting Between
Systems With Benchmarks
Key Concept and Vocabulary
Length
1 in. ≈ 3 cm
1 m ≈ 3 ft
1 mi ≈ 2 km
Volume
1 qt ≈ 1 L
1 gal ≈ 4 L
1 c ≈ 200 mL
1 gal ≈ 4000 cm3
1 m3 ≈ 300 gal
Weight (Mass)
1 kg ≈ 2 lb
1 oz ≈ 30 g
4.
2
3
1 in. Ƽ 3 cm
Application Example
⋅ 13 mft
1 gal
20 L ≈ 20 L ⋅ — = 5 gal
4L
30 g
8 oz ≈ 8 oz ⋅ — = 240 g
1 oz
200 mL
2 c ≈ 2 c ⋅ — = 400 mL
1c
PRACTICE
1 cm
1 in.
1. 7 m ≈ 7 m — = 21 ft
3.
Visual Model
Benchmarks
Skill Examples
2.
Name ___________________________________
MAKES
5. A person is 63 inches tall. How many
centimeters is that?
⋅ 31 cm
in.
63 in. ≈ 63 in. —
= 189 cm
The height of the person is
about 189 centimeters.
PURR-FECT ™
Check your answers at BigIdeasMath.com.
Complete the unit conversion.
6. 26 mi ≈ _______ km
7. 150 g ≈ _______ oz
8. 2 L ≈ _______ qt
9. 70 lb ≈ _______ kg
10. 12 ft ≈ _______ m
11. 16 km ≈ _______ mi
12. 36 cm ≈ _______ in.
13. 7 gal ≈ _______ L
14. 9 qt ≈ _______ L
15. 800 mL ≈ _______ c
16. 5 gal ≈ _______ cm3
17. 12 m3 ≈ _______ gal
18. WEIGHT How much does the wolf
weigh in pounds?
Weight: 33 kg
19. SPEED A hummingbird flies at a speed of
33 feet per second. What is the speed of
the hummingbird in meters per second?
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Topic 16.5
Math 6/7 NOTES (7.6)
Name___________________________________
Ballpark Comparisons Between
Metric & U.S. Customary Systems of Measurement
Units of Length
(how long an object is)
1 inch ≈ 2.5 cm
1 foot ≈ 30 cm
1 meter ≈ 1 yd
1 meter ≈ 40 in
(the meter is slightly longer)
1 mile ≈ 1.5 km
1 kilometer ≈
1
mile
2
Which is more? Circle your answer.
1)
1 inch or 1 centimeter
2)
1 foot or 1 centimeter
3)
1 mile or 1 kilometer
4)
1 meter or 1 yard
Units of Capacity (Volume)
(how much matter an object contains)
1 fluid ounce ≈ 30 mL
1 quart ≈ 1 Liter
1 gallon ≈ 4 Liters
(the quart is slightly less)
Which is more? Circle your answer.
5)
1 fluid ounce or 1 mL
6)
1 quart or 1 Liter
7)
1 gallon or 1 Liter
Units of Mass
(how much matter an object contains)
1 ounce ≈ 28 grams
1 kilogram ≈ 2 pounds
1 pound ≈ 450 grams
Which is more? Circle your answer.
8)
1 ounce or 1 gram
9)
1 kilogram or 1 pound
Units of Temperature
(the amount of heat in an object)
Water freezes:
0° Celsius (C)
32° Fahrenheit (F)
Water boils:
100° C
212° F
Typical Room Temp.:
20° C
70 ° F
Normal Body Temp.:
37° C
98° F
Which is more? Circle your answer.
10)
0° C or 35° F
11)
212° F or 212° C
12)
37° C or 100° F
Do You Remember the Ballpark Comparisons???
Between Metric & U.S. Customary Systems of Measurement
Units of Length
(how long an object is)
1 inch ≈ ______ cm
1 foot ≈ ______ cm
1 mile ≈ ______ km
1 meter ≈ ______ yd
1 meter ≈ ______ in
1 kilometer ≈ ______ mile
Which is more? Circle your answer.
1)
1 foot or 1 centimeter
2)
1 inch or 1 centimeter
3)
1 meter or 1 yard
4)
1 mile or 1 kilometer
Units of Capacity (Volume)
(how much matter an object contains)
1 fluid ounce ≈ _____ mL
1 quart ≈ ______ Liter
(the quart is slightly less)
1 gallon ≈ ____ Liters
Which is more? Circle your answer.
5)
1 quart or 1 Liter 6)
1 gallon or 1 Liter
7)
1 fluid ounce or 1 mL
Units of Mass
(how much matter an object contains)
1 ounce ≈ ______ grams
1 kilogram ≈ ____ pounds
1 pound ≈ ______ grams
Which is more? Circle your answer.
8)
1 kilogram or 1 pound
9)
1 ounce or 1 gram
Units of Temperature
(the amount of heat in an object)
Water freezes:
____° Celsius (C)
___° Fahrenheit (F)
Water boils:
_____° C
_____° F
Typical Room Temp.:
_____° C
_____ ° F
Normal Body Temp.:
_____° C
_____° F
Which is more? Circle your answer.
10)
212° F or 212° C
11)
0° C or 35° F
12)
37° C or 100° F
1 inch ≈ 2.5 cm
1 foot ≈ 30 cm
1 mile ≈ 1.5 km
1 meter ≈ 1 yd
(the meter is slightly longer)
1 meter ≈ 40 in
1 kilometer ≈ 12 mile
(1 km is slightly longer)
1 fluid ounce ≈ 30 mL
1 quart ≈ 1 Liter
(the quart is slightly less)
1 gallon ≈ 4 Liters
1 ounce ≈ 28 grams
kilogram ≈ 2 pounds
1 pound ≈ 450 grams
Water freezes:
0° Celsius (C)
32° Fahrenheit (F)
Water boils:
100° C
212° F
Typical Room Temp.:
20° C
70 ° F
Normal Body Temp.:
37° C
98° F