Percent of Change Review SOL 8.4

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8.4 Percent of Change Review

new - old

-------------- -> percent of change

old

1

new - old

-------------- -> percent of change

old

1

If the new number is greater than the orginal, it is a percent of

1

If the new number is less than the original, it is a percent of

1

What is the percent of chage from 117 to 91?

1

Is the percent of change from 117 to 91 a percent increase or decrease?

Percent increase

Percent decrease

1

What is the percent of change from 12 to 23?

1

Is the percent of change from 12 to 23 a percent increase or decrease?

Percent Increase

Percent Decrease

1

What is the percent of change from 45 to 92?

1

Is the percent of change from 45 to 92 a percent increase or decrease?

Percent Increase

Percent Decrease

1

What is the percent of change from 83 to 76?

1

Is the percent of change from 83 to 76 a percent increase or decrease?

Percent Increase

Percent Decrease

1

There were 240 students at a primary school. After some new students were transferred into the school, there were 282 students in all. What was the percentage increase in the number of students at the primary school?

1

Is this an example of a percent increase or percent decrease?

Percent Increase

Percent Decrase

1

Sasha could run one mile in 10 minutes last year. She can run a mile in 8 minutes this year. By what percent did her timing improve?

1

Is Sasha's timing an example of percent increase or decrease?

Percent increase

Percent decrease

1

The World Future Society predicts that by the year 2020, airplanes will be able to carry 1400 passengers. Today's biggest jets can carry 600 passengers. What will be the percent of increase of airplane passengers?

1

A website recieved 2500 registered members in July. And the number of registered members in August decreased to 2245. What was the percentage decrease in the number of registered members?

1

There were 2,200 visitors going into the zoo at the 1st week of July and 1760 visitors the 2nd week of July. What was the percentage decrease in the number of visitors into the zoo?

1

You have 250 songs on your MP3 player and decided you need to delete some songs. You have 160 songs left on your MP3 player after deleteing the songs you don't listen to anymore. What is the percent decrease in the number of songs?

1

Gummy worms used to sell for seventy-five cents a pound, and you see that it's been marked u to eighty-one cents a pound. What is the percent increase?

1

The population of Alberta was 3,433,145 in 2008 and 3,520,268 in 2009. Calculate the percent of change.

1

Is the population change of Alberta fromm 2008 to 2009 a percent increase or percent decrease?

Percent increase

Percent decrease

1

The population of walleye in a lake is estimated to be 12,345 at the end of the year and 13,624 at the beginning of the year. What is the percent of decrease?

1

The number of employees at a company went from 7623 to 6824. By what percent did this decrease?

1

If the price of a purse increased from $45 to $54, what was the percent of increase?

1

If the price of a softball is $60 but is on sale for $36, what is the percent of the discount?

1

Kate had $2,251.35 in her bank account at the beginning of the month. Currently, she has $1,975.86 in her account. Find the percent of decrease to the nearest whole percent.

1

In 1986 the average price of a gallon of gasoline was $0.93 cents. In 2007 the average price of a gallon of gasoline was $2.77. Find the percent of change.

1

The bar graph shows the number of home runs Haylee hit during her high school career. What is the percent of change in home runs from 2006 to 2007?

1

What is the percent of change in high temperature in Fahrenheit (F) and low temperature in Fahrenheit for Burkes Garden? Use high temperature as "new" and low temperature as "old."

If the new number is greater than the orginal, it is a percent of

If the new number is less than the original, it is a percent of

What is the percent of chage from 117 to 91?

Is the percent of change from 117 to 91 a percent increase or decrease?

Percent increase

Percent decrease

What is the percent of change from 12 to 23?

Is the percent of change from 12 to 23 a percent increase or decrease?

Percent Increase

Percent Decrease

What is the percent of change from 45 to 92?

Is the percent of change from 45 to 92 a percent increase or decrease?

Percent Increase

Percent Decrease

What is the percent of change from 83 to 76?

Is the percent of change from 83 to 76 a percent increase or decrease?

Percent Increase

Percent Decrease

There were 240 students at a primary school. After some new students were transferred into the school, there were 282 students in all. What was the percentage increase in the number of students at the primary school?

Is this an example of a percent increase or percent decrease?

Percent Increase

Percent Decrase

Sasha could run one mile in 10 minutes last year. She can run a mile in 8 minutes this year. By what percent did her timing improve?

Is Sasha's timing an example of percent increase or decrease?

Percent increase

Percent decrease

The World Future Society predicts that by the year 2020, airplanes will be able to carry 1400 passengers. Today's biggest jets can carry 600 passengers. What will be the percent of increase of airplane passengers?

A website recieved 2500 registered members in July. And the number of registered members in August decreased to 2245. What was the percentage decrease in the number of registered members?

There were 2,200 visitors going into the zoo at the 1st week of July and 1760 visitors the 2nd week of July. What was the percentage decrease in the number of visitors into the zoo?

You have 250 songs on your MP3 player and decided you need to delete some songs. You have 160 songs left on your MP3 player after deleteing the songs you don't listen to anymore. What is the percent decrease in the number of songs?

Gummy worms used to sell for seventy-five cents a pound, and you see that it's been marked u to eighty-one cents a pound. What is the percent increase?

The population of Alberta was 3,433,145 in 2008 and 3,520,268 in 2009. Calculate the percent of change.

Is the population change of Alberta fromm 2008 to 2009 a percent increase or percent decrease?

Percent increase

Percent decrease

The population of walleye in a lake is estimated to be 12,345 at the end of the year and 13,624 at the beginning of the year. What is the percent of decrease?

The number of employees at a company went from 7623 to 6824. By what percent did this decrease?

If the price of a purse increased from $45 to $54, what was the percent of increase?

If the price of a softball is $60 but is on sale for $36, what is the percent of the discount?

Kate had $2,251.35 in her bank account at the beginning of the month. Currently, she has $1,975.86 in her account. Find the percent of decrease to the nearest whole percent.

In 1986 the average price of a gallon of gasoline was $0.93 cents. In 2007 the average price of a gallon of gasoline was $2.77. Find the percent of change.

The bar graph shows the number of home runs Haylee hit during her high school career. What is the percent of change in home runs from 2006 to 2007?

What is the percent of change in high temperature in Fahrenheit (F) and low temperature in Fahrenheit for Burkes Garden? Use high temperature as "new" and low temperature as "old."