Percent Error and Simple Interest Check In

Find the simple interest earned.

Reminder: there should be two place values after the decimal.

Principal: $530

Interest rate: 6%

Time: 1 year

Tags

CCSS.7.RP.A.3

Find the simple interest earned.

Reminder: there should be two place values after the decimal.

Principal: $1,200

Interest rate: 3.5%

Time: 2 years

Tags

CCSS.7.RP.A.3

Find the simple interest earned.

Reminder: there should be two place values after the decimal.

Principal: $750

Interest rate: 7%

Time: 3 years

Tags

CCSS.7.RP.A.3

Find the simple interest earned.

Reminder: there should be two place values after the decimal.

Jack borrows $2,700 at a rate of 8.2% per year. How much simple interest will he owe if it takes 3 months to repay the loan?

Tags

CCSS.7.RP.A.3

Find the percent Error and round your answer to the nearest tenth of a percent.

Prediction: 6.75 inches of snowfall

Actual: 10.25 inches of snowfall

Tags

CCSS.6.RP.A.3C

Doug estimates that his soccer team will win 7 games this year. The team actually wins 10 games. What is the percent of error of Doug's estimate? Round the answer to the nearest tenth percent, if necessary.

Tags

CCSS.6.RP.A.3C

• The student put the answer over the estimation.

  Correct solution: 13.6%

• The student did not multiply by 100 to change to a percent.

  Correct solution: 12%

• The student put the answer over the estimation.

  Correct solution: 0.136%

Tags

CCSS.6.RP.A.3C

Ivan deposits $5,000 into an account that pays simple interest at a rate of 5% per year. How much interest will he be paid in the first 3 years?

What is the principle? ​ (a)  

What is the rate? ​ (b)  

What is the time? ​ (c)  

• $5,000
• 5%
• 3 years

Tags

CCSS.7.RP.A.3

You open a savings account at Chase bank with an annual interest rate of 2.25%. If your initial balance was $500, how much simple interest would you expect to earn after 24 months?

Tags

CCSS.7.RP.A.3

Find the percent error. You estimate that you sent 135 texts last week but when you get the bill it was actually 108. 

• (135 - 108)/135 = 20%
• (135 - 108)/108 = 25%
• (108 - 135)/135 = -20%
• (108 - 135)/108 = -25%

Tags

CCSS.6.RP.A.3C