Integers
−25+40=
15
3/8 + 5/8=
8/8 or 1
What percent of 10 is 4?
40%
$60 increased to $90. What is the percent change?
50%
Find the simple interest for $3,000 at 6% for 10 years using the formula I=prt.
$1,800
32−(−18)
50
7/10 - 2/5 =
3/10
What percent of 25 is 5?
20%
A jacket originally costs $80. Its price is increased to $100. What is the percent of increase?
25%
Find the simple interest for $8,000 at 7% for 3 years using the formula I=prt.
$1,680
−7×8=
-56
2/3 x 9/4 =
3/2 or 1 1/2
What number is 36% of 50?
18
Maria is buying a new pair of running shoes for $120 at Sports World. She gets a 20% employee discount on all purchases. What is the total price Maria will pay for the shoes?
$96
Jordan borrowed $10,000 from the bank to purchase a used car. If the interest rate on this 60-month loan is 6%, how much will Jordan pay in total back to the bank? Use the formula I=prt.
Choices:
A) $3,000
B) $12,000
C) $11,500
D) $10,600
A) $3,000
−12+5×3=
3
5/6 ÷ 2/3=
5/4 or 1 1/4
120 is 80% of what number?
150
Emma wants to buy a backpack that originally costs $60. At the store, she only has to pay $45. What is the percent of decrease?
25%
Alex borrowed $9,200 from the bank to buy a motorcycle. If the interest rate on this 60-month loan is 6%, how much will Alex pay in total back to the bank? Use the formula I=prt.
Choices:
A) $12,520
B) $10,520
C) $11,720
D) $9,520
C) $11,720
Sarah owes $45 to her friend. She earns $20 from doing chores and then pays $15 back to her friend. How much money does she still owe?
$40
A recipe calls for 3/4 cup of sugar. Emma only wants to make half of the recipe. How much sugar does she need?
3/8 cup
A student answered 18 out of 20 questions correctly on a quiz. What percent of the questions did the student answer correctly?
90%
Which backpack has the lowest sale price?
A $50 backpack at 20% off
A $60 backpack at 25% off
A $55 backpack at 15% off
A $45 backpack at 10% off
The first answer choice. $50 backpack at 20% off= $40
Lena is buying a new $2,400 laptop for her graphic design business. She plans to finance the laptop and has two options.
Option A: 12-month loan with a simple interest rate of 5%
Option B: 2-year loan with a simple interest rate of 3%
Which finance option will result in Lena paying the least amount of interest? Use the formula I=prt.
Option A – Lena pays less interest ($120).