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WARM UP

WARM UP. 5 Minutes Remain. CONVERTING UNITS: Convert the units. Round the Result to the nearest tenth. 60 eggs to dozens of eggs 2 years to months 168 days to weeks 1270 minutes to hours 100 yards to feet (1 yard = 3 feet) 2000 meters to kilometers (1 km = 1000 yards). WARM UP. 4.

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WARM UP

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  1. WARM UP 5 Minutes Remain CONVERTING UNITS: Convert the units. Round the Result to the nearest tenth. 60 eggs to dozens of eggs 2 years to months 168 days to weeks 1270 minutes to hours 100 yards to feet (1 yard = 3 feet) 2000 meters to kilometers (1 km = 1000 yards)

  2. WARM UP 4 CONVERTING UNITS: Convert the units. Round the Result to the nearest tenth. 60 eggs to dozens of eggs 2 years to months 168 days to weeks 1270 minutes to hours 100 yards to feet (1 yard = 3 feet) 2000 meters to kilometers (1 km = 1000 yards)

  3. WARM UP 3 CONVERTING UNITS: Convert the units. Round the Result to the nearest tenth. 60 eggs to dozens of eggs 2 years to months 168 days to weeks 1270 minutes to hours 100 yards to feet (1 yard = 3 feet) 2000 meters to kilometers (1 km = 1000 meters)

  4. WARM UP 2 CONVERTING UNITS: Convert the units. Round the Result to the nearest tenth. 60 eggs to dozens of eggs 2 years to months 168 days to weeks 1270 minutes to hours 100 yards to feet (1 yard = 3 feet) 2000 meters to kilometers (1 km = 1000 yards)

  5. WARM UP 1 CONVERTING UNITS: Convert the units. Round the Result to the nearest tenth. 60 eggs to dozens of eggs 2 years to months 168 days to weeks 1270 minutes to hours 100 yards to feet (1 yard = 3 feet) 2000 meters to kilometers (1 km = 1000 yards)

  6. WARM UP 0 CONVERTING UNITS: Convert the units. Round the Result to the nearest tenth. 60 eggs to dozens of eggs 2 years to months 168 days to weeks 1270 minutes to hours 100 yards to feet (1 yard = 3 feet) 2000 meters to kilometers (1 km = 1000 yards)

  7. 3.9 Percents • GOAL: Solve Percent Problems • KEY WORDS: • Percent • Base Number

  8. 3.9 Percents A percent is a ratio that compares a number to 100. You can write a percent as a fraction, as a decimal, or as a number followed by a percent symbol (%). For example, you can write 40 percent as 0.40, or 40%. 40 100

  9. 3.9 Percents VERBAL MODEL Number compared to base = percent• base number a = number compared to base Percent = p% = b = base number ALGEBRAIC MODEL a = • b p p 100 100

  10. 3.9 Percents EXAMPLE 1: Number compared to Base is Unknown What is 30% of 70 feet? a = ( ) • (70) a = 21 p 30 100 100 a = • b

  11. 3.9 Percents EXAMPLE 2: Base Number is Unknown Fourteen dollars is 25% of what amount of money? Number compared to base = 14 Percent = 25% = = 14 = • b (4)14 = b b = 56 p 25 1 1 100 100 4 4 a = • b

  12. 3.9 Percents EXAMPLE 3: Percent is Unknown 135 is what percent of 27? Number compared to base = 135 Base number = 27 135 = • (27) 500 = p 135 is 500% of 27. = 135 p p p p 100 100 100 100 27 a = • b 5 = YOU ARE CERTIFIED!

  13. 3.9 Percents YOUR TURN Page 186 #s 3-10 and 16 - 27

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