2.5 Percent of Change - Class Practice

2.5 - Percent of Change

Class Practice

Multiple Choice

The length of the stick went from 30 inches to 24 inches. The percent of change would be an...

• increase

• decrease

Fill in the Blank

The length of the stick went form 30 inches to 24 inches.

Find the percent of change to the nearest whole percent if necessary.

%

Multiple Choice

Scheels was selling winter jackets for $126 but now raised the prices to $150.

The percent of change would be...

• an increase

• a decrease

Fill in the Blank

Scheels was selling winter jackets for $126 but now raised the prices to $150.

Find the percent of change and round to the nearest whole percent if necessary.

%

Multiple Choice

The notebook section at Walmart started with 48 notebooks and is now at 14 notebooks.

Would this be a percent of increase or decrease?

• increase

• decrease

Fill in the Blank

The notebook section at Walmart started with 48 notebooks and is now at 14 notebooks.

Find the percent of change to the nearest whole percent if necessary.

%

Multiple Choice

Your bank account was at $150 before Christmas shopping and now it is at $85.50. Is this a percent of increase or decrease?

• increase

• decrease

Fill in the Blank

Your bank account was at $150 before Christmas shopping and now it is at $85.50.

Find the percent of change and round to the nearest whole percent if necessary.

%

Fill in the Blank

You were given a glass jar full of gumballs and asked to make a guess about how many you think are in there. You estimated 550 gumballs, but there are actually 720.

What is the amount of error?

Fill in the Blank

You were given a glass jar full of gumballs and asked to make a guess about how many you think are in there. You estimated 550 gumballs, but there are actually 720.

What is the percent of error? (Round to the nearest whole percent if necessary)

%

Fill in the Blank

You estimate the weight of your cat to be about 10 pounds. You weigh your cat and find that the actual weight is 13.75 pounds.

What was the amount of error?

.

Fill in the Blank

You estimate the weight of your cat to be about 10 pounds. You weigh your cat and find that the actual weight is 13.75 pounds.

What is the percent of error? (Round to the nearest whole percent if necessary.)

%

Fill in the Blank

You go to the grocery store weekly. You estimate that you will spend $120 when he goes to the grocery store this week; you actually spend $94.

What was the amount of error?

Fill in the Blank

You go to the grocery store weekly. You estimate that you will spend $120 when he goes to the grocery store this week; you actually spend $94.

What was the percent of error? (Round to the nearest whole percent.)

%

Fill in the Blank

The table on the left displays the average monthly rainfall during the first six months of the year for Singapore.

Find the percent of change from February to March. Round to the nearest whole percent if necessary.

%

Fill in the Blank

The table shows the number of youth 7 years and older who played soccer from 2004 to 2012.

Find the percent of change from 2008 to 2012. Round to the nearest tenth of a percent.

.

%

Poll

After today's lesson, how are you feeling about finding percent of change

• I'm LOST - I need to come in for extra help

• I feel okay - I will need another day of practice

• I GOT THIS!