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Unit Conversion and Percentage Calculation Exercises for Quick Practice

This resource offers a series of warm-up exercises focused on converting units and solving percentage problems. You'll practice converting eggs to dozens, years to months, days to weeks, minutes to hours, yards to feet, and meters to kilometers, rounding results to the nearest tenth. The second part consists of percentage calculations using verbal and algebraic models. Improve your skills with examples and exercises that are perfect for a quick review or classroom setting.

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Unit Conversion and Percentage Calculation Exercises for Quick Practice

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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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