11 Conversion Factor a fraction that always equals “1” 1 m = 1000 mm Length1 m = 1000 mm1 m = 100 cm1000 m = 1 Km1 cm = 10 mm
12 Measuring Length How many millimeters are in 1 centimeter? 1 centimeter = 10 millimetersHow many millimeters are in 1 centimeter?What is the length of the line in centimeters? _______cmWhat is the length of the line in millimeters? _______mmWhat is the length of the line to the nearest centimeter? ________cmHINT: Round to the nearest centimeter – no decimals.Ruler:
13 Conversion Factor Volume 1 L = 1000 mL 1 L = 100 cL 1000 L = 1 KL 1 cL = 10 mL
14 Conversion Factor Mass 1 g = 1000 mg 1 g = 100 cg 1000 g = 1 Kg 1 cg = 10 mg
15 Measurement/Metric System What are 4 types of measurement?What are some tools used for measurement?1. Length2. Mass3. Volume4. TemperatureWhat are the 2 parts of a measurement?- Number and Unit1. Meter Stick2. Balance3. Grad. Cylinder4. ThermometerIdentify 3 prefixes.* Centi- * Milli-* Kilo-
16 a skill of converting one unit to another Dimensional Analysisa skill of converting one unit to anotherThe length of a student’s pencil is 5.4 cm.What is this measurement in mm?
17 Given: 5.4 cm Solve: How many mm? Conversion Factor: Work:
18 The longest loaf of bread on record was 1256 feet, 2 inches long The longest loaf of bread on record was 1256 feet, 2 inches long. If this bread had been cut into ½ (0.5) inch slices, how many slices of bread would there have been?
19 There are 115 calories in 4 ounces of baked potato There are 115 calories in 4 ounces of baked potato. How many pounds of baked potatoes would a person have to eat in order to take in calories?
20 At sea level, water boils at 212 degrees Fahrenheit. At the top of Mt At sea level, water boils at 212 degrees Fahrenheit. At the top of Mt. Everest, feet, water boils at degrees F. How many degrees does the boiling point drop for every mile up from sea level to the top of Mt. Everest: (hint: change feet to miles. Find the difference of temperatures).