The sign indicates whether it is a decrease or increase. Staff hours for 2006 were 28011 and for 2007 were 31230. How do I find the Example: percentage of increase? this is a positive figure, it is an 11.5% increase. Practice: Remember to show all your work, include units if given, and NO CALCULATORS! All work and answers go on your answer sheet. What is 45% of 900? Thirteen percent of a 12,000 acre forest is being logged. How many acres will be logged? A water heater tank holds 280 gallons. Two percent of the water is lost as steam. How many gallons remain to be used? What percentage is 25 of 162.5? 35 is what percentage of 2800? 14,000 acres of a 40,000 acre forest burned in a forest fire. What percentage of the forest was damaged? You have driven the first 150 miles of a 2000 mile trip. What percentage of the trip have you traveled? Home prices have dropped 5% in the past three years. An average home in Indianapolis three years ago was $130,000. What’s the average home price now? The Greenland Ice Sheet contains 2,850,000 cubic kilometers of ice. It is melting at a rate of .006% per year. How many cubic kilometers are lost each year? 235 acres, or 15%, of a forest is being logged. How large is the forest? A teenager consumes 20% of her calories each day in the form of protein. If she is getting 700 calories a day from protein, how many calories is she consuming per day? The biomass of a small oak tree increases from 3000 kilograms to 9000 kilograms in 2 years. What is the percent increase in the biomass of the tree per year? Go on to the next page! Metric Units Kilo-, and milli- are the most frequently used prefixes of the metric system. You need to be able to go from one to another without a calculator. You can remember the order of the prefixes by using the following sentence: Since King Henry Died By Drinking Chocolate Milk. the multiples and divisions of the base units are all factors of ten, you just need to move the decimal to convert from one to another.
The sign indicates whether it is a decrease or increase. Example: Staff hours for 2006 were 28011 and for 2007 were 31230. How do I find the percentage of increase? this is a positive figure, it is an 11.5% increase. Practice: Remember to show all your work, include units if given, and NO CALCULATORS! All work and answers go on your answer sheet. What is 45% of 900? Thirteen percent of a 12,000 acre forest is being logged. How many acres will be logged? A water heater tank holds 280 gallons. Two percent of the water is lost as steam. How many gallons remain to be used? What percentage is 25 of 162.5? 35 is what percentage of 2800? 14,000 acres of a 40,000 acre forest burned in a forest fire. What percentage of the forest was damaged? You have driven the first 150 miles of a 2000 mile trip. What percentage of the trip have you traveled? Home prices have dropped 5% in the past three years. An average home in Indianapolis three years ago was $130,000. What’s the average home price now? The Greenland Ice Sheet contains 2,850,000 cubic kilometers of ice. It is melting at a rate of .006% per year. How many cubic kilometers are lost each year? 235 acres, or 15%, of a forest is being logged. How large is the forest? A teenager consumes 20% of her calories each day in the form of protein. If she is getting 700 calories a day from protein, how many calories is she consuming per day? The biomass of a small oak tree increases from 3000 kilograms to 9000 kilograms in 2 years. What is the percent increase in the biomass of the tree per year? Go on to the next page! Metric Units Kilo-, and milli- are the most frequently used prefixes of the metric system. You need to be able to go from one to another without a calculator. You can remember the order of the prefixes by using the following sentence: King Henry Died By Drinking Chocolate Milk. Since the multiples and divisions of the base units are all factors of ten, you just need to move the decimal to convert from one to another.
APES%20Summer%20Assignment%2017.docx