Simple & Compound Interest

What is the formula for simple interest?

• A=P(1+r)^t
• I=Prt
• I=P(1+r)t
• A=Prt

Tags

CCSS.8.EE.C.7B

The simple interest formula is I=Prt.  What does the t represent?

• Principle
• Interest
• Time, in hours
• Time, in years

Tags

CCSS.8.EE.C.7B

Write the decimal as a percent. 
0.37

• 37%
• 3.7%
• .37%

Write the percent as a decimal. 
4.3%

• 4.3
• .43
• .043
• 4300

Find the simple interest earned for principal of $2,000 at and 8% rate for 5 years.

• $160

• $800

• $80,000

• $16

Tags

CCSS.7.RP.A.3

Emily’s parents put $1500 in her bank account for college tuition at a simple interest rate of 8.25%. What will be the balance after 18 years?

• $22,275

• $2227.50

• $12,375

• $3727.50

Tags

CCSS.7.RP.A.3

Find the balance in the account after the given period.

$12,000 principal earing 4.8% compounded annually after 7 years.

• $3,243.19

• $16,661.35

• $15,243.19

• $4,661.35

Find the balance in the account after the given period.

$3400 principal earning 3.6% compounded annually after 2 years

• $3,420.43

• $3,649.21

• $3,675.39

• $6,288.64

Will deposits $1650 for three years at 3% interest, compounded daily. What is his ending balance?

• $1,700.25

• $4,056.85

• $2,103.87

• $1,805.38

Jamere deposits $2350 in an account that earns interest at a rate of 3.1%, compounded monthly. What is his ending balance after five years?

• $2743.98

• $2,743.45

• $2,362.01

• $10,856.16