geometry section 0-2 1112
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Section 0-2Changing Units of Measure Between Systems
Wednesday, September 7, 2011
Essential Question
✤ How do you convert units of measure between measurement systems?
Wednesday, September 7, 2011
Converting: Units of Length
Wednesday, September 7, 2011
Converting: Units of Length
Customary to Metric Metric to Customary
1 in ≈ 2.5 cm 1 cm ≈ 0.4 in
1 yd ≈ 0.9 m 1 m ≈ 1.1 yd
1 mi ≈ 1.6 km 1 km ≈ 0.6 mi
Wednesday, September 7, 2011
Example 1
Convert.
a. 26 cm ≈ ______ in b. 7 mi ≈ ______ km
Wednesday, September 7, 2011
Example 1
Convert.
a. 26 cm ≈ ______ in
26 cm i 0.4
b. 7 mi ≈ ______ km
Wednesday, September 7, 2011
Example 1
Convert.
a. 26 cm ≈ ______ in
26 cm i 0.4 ≈ 10.4 in
b. 7 mi ≈ ______ km
Wednesday, September 7, 2011
Example 1
Convert.
a. 26 cm ≈ ______ in
26 cm i 0.4 ≈ 10.4 in
26 cmi
0.4 in1 cm
b. 7 mi ≈ ______ km
Wednesday, September 7, 2011
Example 1
Convert.
a. 26 cm ≈ ______ in
26 cm i 0.4 ≈ 10.4 in
26 cmi
0.4 in1 cm
b. 7 mi ≈ ______ km
Wednesday, September 7, 2011
Example 1
Convert.
a. 26 cm ≈ ______ in
26 cm i 0.4 ≈ 10.4 in
26 cmi
0.4 in1 cm ≈ 10.4 in
b. 7 mi ≈ ______ km
Wednesday, September 7, 2011
Example 1
Convert.
a. 26 cm ≈ ______ in
26 cm i 0.4 ≈ 10.4 in
26 cmi
0.4 in1 cm ≈ 10.4 in
b. 7 mi ≈ ______ km
7 mi i 1.6
Wednesday, September 7, 2011
Example 1
Convert.
a. 26 cm ≈ ______ in
26 cm i 0.4 ≈ 10.4 in
26 cmi
0.4 in1 cm ≈ 10.4 in
b. 7 mi ≈ ______ km
7 mi i 1.6 ≈ 11.2 km
Wednesday, September 7, 2011
Example 1
Convert.
a. 26 cm ≈ ______ in
26 cm i 0.4 ≈ 10.4 in
26 cmi
0.4 in1 cm ≈ 10.4 in
b. 7 mi ≈ ______ km
7 mi i 1.6 ≈ 11.2 km
7 mii1.6 km
1 mi
Wednesday, September 7, 2011
Example 1
Convert.
a. 26 cm ≈ ______ in
26 cm i 0.4 ≈ 10.4 in
26 cmi
0.4 in1 cm ≈ 10.4 in
b. 7 mi ≈ ______ km
7 mi i 1.6 ≈ 11.2 km
7 mii1.6 km
1 mi
Wednesday, September 7, 2011
Example 1
Convert.
a. 26 cm ≈ ______ in
26 cm i 0.4 ≈ 10.4 in
26 cmi
0.4 in1 cm ≈ 10.4 in
b. 7 mi ≈ ______ km
7 mi i 1.6 ≈ 11.2 km
7 mii1.6 km
1 mi ≈ 11.2 km
Wednesday, September 7, 2011
Example 1
Convert.
c. 1800 yd ≈ ______ km
Wednesday, September 7, 2011
Example 1
Convert.
c. 1800 yd ≈ ______ km
1800 yd i 0.9
Wednesday, September 7, 2011
Example 1
Convert.
c. 1800 yd ≈ ______ km
1800 yd i 0.9 ≈ 1620 m
Wednesday, September 7, 2011
Example 1
Convert.
c. 1800 yd ≈ ______ km
1800 yd i 0.9 ≈ 1620 m
1620 m ÷ 1000
Wednesday, September 7, 2011
Example 1
Convert.
c. 1800 yd ≈ ______ km
1800 yd i 0.9 ≈ 1620 m
1620 m ÷ 1000 ≈ 1.62 km
Wednesday, September 7, 2011
Example 1
Convert.
c. 1800 yd ≈ ______ km
1800 yd i 0.9 ≈ 1620 m
1800 ydi
0.9 m1 yd
1620 m ÷ 1000 ≈ 1.62 km
Wednesday, September 7, 2011
Example 1
Convert.
c. 1800 yd ≈ ______ km
1800 yd i 0.9 ≈ 1620 m
1800 ydi
0.9 m1 yd
1620 m ÷ 1000 ≈ 1.62 km
Wednesday, September 7, 2011
Example 1
Convert.
c. 1800 yd ≈ ______ km
1800 yd i 0.9 ≈ 1620 m
1800 ydi
0.9 m1 yd
1620 m ÷ 1000 ≈ 1.62 km
i
1 km1000 m
Wednesday, September 7, 2011
Example 1
Convert.
c. 1800 yd ≈ ______ km
1800 yd i 0.9 ≈ 1620 m
1800 ydi
0.9 m1 yd
1620 m ÷ 1000 ≈ 1.62 km
i
1 km1000 m
Wednesday, September 7, 2011
Example 1
Convert.
c. 1800 yd ≈ ______ km
1800 yd i 0.9 ≈ 1620 m
1800 ydi
0.9 m1 yd ≈ 1.62 km
1620 m ÷ 1000 ≈ 1.62 km
i
1 km1000 m
Wednesday, September 7, 2011
Converting: Units of Capacity
Wednesday, September 7, 2011
Converting: Units of Capacity
Customary to Metric Metric to Customary
1 qt ≈ 0.9 L 1 L ≈ 1.1 qt
1 pt ≈ 0.5 L 1 L ≈ 2.1 pt
Wednesday, September 7, 2011
Example 2
Convert.
a. 10 L ≈ ______ qt b. 13 pt ≈ ______ L
Wednesday, September 7, 2011
Example 2
Convert.
a. 10 L ≈ ______ qt
10 L i 1.1
b. 13 pt ≈ ______ L
Wednesday, September 7, 2011
Example 2
Convert.
a. 10 L ≈ ______ qt
10 L i 1.1 ≈ 11 qt
b. 13 pt ≈ ______ L
Wednesday, September 7, 2011
Example 2
Convert.
a. 10 L ≈ ______ qt
10 L i 1.1 ≈ 11 qt
10 Li
1.1 qt1 L
b. 13 pt ≈ ______ L
Wednesday, September 7, 2011
Example 2
Convert.
a. 10 L ≈ ______ qt
10 L i 1.1 ≈ 11 qt
10 Li
1.1 qt1 L
b. 13 pt ≈ ______ L
Wednesday, September 7, 2011
Example 2
Convert.
a. 10 L ≈ ______ qt
10 L i 1.1 ≈ 11 qt
10 Li
1.1 qt1 L ≈ 11 qt
b. 13 pt ≈ ______ L
Wednesday, September 7, 2011
Example 2
Convert.
a. 10 L ≈ ______ qt
10 L i 1.1 ≈ 11 qt
10 Li
1.1 qt1 L ≈ 11 qt
b. 13 pt ≈ ______ L
13 pt i 0.5
Wednesday, September 7, 2011
Example 2
Convert.
a. 10 L ≈ ______ qt
10 L i 1.1 ≈ 11 qt
10 Li
1.1 qt1 L ≈ 11 qt
b. 13 pt ≈ ______ L
13 pt i 0.5 ≈ 6.5 L
Wednesday, September 7, 2011
Example 2
Convert.
a. 10 L ≈ ______ qt
10 L i 1.1 ≈ 11 qt
10 Li
1.1 qt1 L ≈ 11 qt
b. 13 pt ≈ ______ L
13 pt i 0.5 ≈ 6.5 L
13 pti0.5 L
1 pt
Wednesday, September 7, 2011
Example 2
Convert.
a. 10 L ≈ ______ qt
10 L i 1.1 ≈ 11 qt
10 Li
1.1 qt1 L ≈ 11 qt
b. 13 pt ≈ ______ L
13 pt i 0.5 ≈ 6.5 L
13 pti0.5 L
1 pt
Wednesday, September 7, 2011
Example 2
Convert.
a. 10 L ≈ ______ qt
10 L i 1.1 ≈ 11 qt
10 Li
1.1 qt1 L ≈ 11 qt
b. 13 pt ≈ ______ L
13 pt i 0.5 ≈ 6.5 L
13 pti0.5 L
1 pt ≈ 6.5 L
Wednesday, September 7, 2011
Converting: Units of Weight/Mass
Wednesday, September 7, 2011
Converting: Units of Weight/Mass
Customary to Metric Metric to Customary
1 oz ≈ 28.3 g 1 g ≈ 0.04 oz
1 lb ≈ 0.5 kg 1 kg ≈ 2.2 lb
Wednesday, September 7, 2011
Example 3
Convert.
a. 29 lb ≈ ______ kg b. 75 g ≈ ______ oz
Wednesday, September 7, 2011
Example 3
Convert.
a. 29 lb ≈ ______ kg
29 lb i 0.5
b. 75 g ≈ ______ oz
Wednesday, September 7, 2011
Example 3
Convert.
a. 29 lb ≈ ______ kg
29 lb i 0.5 ≈ 14.5 kg
b. 75 g ≈ ______ oz
Wednesday, September 7, 2011
Example 3
Convert.
a. 29 lb ≈ ______ kg
29 lb i 0.5 ≈ 14.5 kg
29 lbi
0.5 kg1 lb
b. 75 g ≈ ______ oz
Wednesday, September 7, 2011
Example 3
Convert.
a. 29 lb ≈ ______ kg
29 lb i 0.5 ≈ 14.5 kg
29 lbi
0.5 kg1 lb
b. 75 g ≈ ______ oz
Wednesday, September 7, 2011
Example 3
Convert.
a. 29 lb ≈ ______ kg
29 lb i 0.5 ≈ 14.5 kg
29 lbi
0.5 kg1 lb ≈ 14.5 kg
b. 75 g ≈ ______ oz
Wednesday, September 7, 2011
Example 3
Convert.
a. 29 lb ≈ ______ kg
29 lb i 0.5 ≈ 14.5 kg
29 lbi
0.5 kg1 lb ≈ 14.5 kg
b. 75 g ≈ ______ oz
75 g i 0.04
Wednesday, September 7, 2011
Example 3
Convert.
a. 29 lb ≈ ______ kg
29 lb i 0.5 ≈ 14.5 kg
29 lbi
0.5 kg1 lb ≈ 14.5 kg
b. 75 g ≈ ______ oz
75 g i 0.04 ≈ 3 oz
Wednesday, September 7, 2011
Example 3
Convert.
a. 29 lb ≈ ______ kg
29 lb i 0.5 ≈ 14.5 kg
29 lbi
0.5 kg1 lb ≈ 14.5 kg
b. 75 g ≈ ______ oz
75 g i 0.04 ≈ 3 oz
75 gi
0.04 oz1 g
Wednesday, September 7, 2011
Example 3
Convert.
a. 29 lb ≈ ______ kg
29 lb i 0.5 ≈ 14.5 kg
29 lbi
0.5 kg1 lb ≈ 14.5 kg
b. 75 g ≈ ______ oz
75 g i 0.04 ≈ 3 oz
75 gi
0.04 oz1 g
Wednesday, September 7, 2011
Example 3
Convert.
a. 29 lb ≈ ______ kg
29 lb i 0.5 ≈ 14.5 kg
29 lbi
0.5 kg1 lb ≈ 14.5 kg
b. 75 g ≈ ______ oz
75 g i 0.04 ≈ 3 oz
75 gi
0.04 oz1 g ≈ 3 oz
Wednesday, September 7, 2011
Reminder about conversions
Wednesday, September 7, 2011
Reminder about conversions
We are only estimating. To be more accurate with your conversions, use conversion rates with more
decimals, such as those in your Passport.
Wednesday, September 7, 2011
Problem Set
Wednesday, September 7, 2011
Problem Set
p. P7 #1-21 odd
“A successful individual typically sets his next goal somewhat but not too much above his last achievement. In this way he steadily raises his
level of aspiration.” - Kurt LewinWednesday, September 7, 2011
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