% Increase/Decrease & Simple Interest

Rem: First name, last initial

Find the % Increase or Decrease for the following;

1. A $30 item is increased to $45

2. A $82 item is on sale for $66

3. A price decreased from $150 to $136

4. Ticket prices increased from $7 to $9.50

5. 1200 people attended the fair last year; 1500 attended this year


Find the Simple Interest and the Total Amount.

6. $2,000 for 5 years at 5%

7. $350 for 8 years at 4.5%

8. $5,000 for 10 months at 3%

9. $250 for 4 years at 6%

10. Sally borrowed $12,000 at an interest rate of 6.5%. If she borrowed the money
for for 7 years, how much interest did she pay?



7.

Finding Percents

Rem: first name, last initial
Always view post before publishing

Estimate:

1. 22% of 445
2. 53% of 195
3. 66.6% of 234
4. A student scored an 86% on a test with 45 questions. How many
questions did the student answer correctly?

5. A team has a winning record of 72%. They have played 18 games.
How many games have they won?

Find the exact answer:

6. 52% of 250
7. 12.5% of 72
8. 68% of 1279
9. The price of a new car is %22,500. Bob put a 15% down payment
on the car. How much money did Bob pay the dealer?

10. Susan and Karen went out to lunch and spent $28.50. They are
going to leave an 18% tip. How much money did they tip their server?

Percents

Rem: first name and last initial

Set up an equivalent proportion using 4 numbers.

1. 6,2,9,3

2. 14,28,4,8

Fill in the missing value.

3. 50% decimal __________

4. 0.75 percent __________

5. 3/8 decimal __________

6. 0.8 fraction _________

Find the percent.

7. 3/4 = p/100

8. 7/8 = p/100

9. 18/25 = p/100

10. 2/5 = p/100

Calculating & Comparing Rates

Always post as "anonymous"

Rem: First name, last initial

Find the Unit Rate

1. 24 water bottles for $3.99
2. 6 bagels for $2.95
3. 64oz steak for $24.95
4. 2 liter soda for $1.99

Compare Rates (which is the better deal)

5. 8 rolls for $2.98 or 12 rolls for $4.00
6. 48 oz. Orange Juice for $3.00 or 64 oz Orange Juice for $5.00
7. 5 pounds of potatoes for $2.09 or 10 lbs for $3.99
8. 5 CD's for $30.00 or 2 CD's for $12.00

Ratios, Unit Rates & Review

Rem: First name, last initial

l.)Write the ratio in simplest form, then write in two other ways.
28 to 10
63 to 3

2.)Find the Unit Rate (Rem: unit = 1)
24 muffins to $15

3.)Tell if the ratios are equivalent (simplify & use cross-products)

9:6 = 28:14

4.)Solve the following proportions (Rem: rewrite in fraction form, then solve for x)

5 to 6 = x to 30

24:16 = x:48

3 to 5 = x to 55

18:27 = x:9

5.) Find the greatest common factor(GCF) for:

12 and 36

72 and 63

6.) Find the least common multiple (LCM) for:

8 and 12

7 and 15

Comparing Whole Numbers

1.) What is the value of 8 in the number 8,432,599?

Compare using >, <, or =
2.) 748,125 ____ 748,624

3.) 6,522,783 ____ 6,524,720

Order the numbers least to greatest.
4.) 1,625 ; 625 ; 1,624 ; 2,625

5.) 281,340 ; 280,403 ; 208,430

6.) What is a whole number?
a. A number with a decimal point
b. A number without a decimal point
c. A number between 0 and 1
d. A number less than 0

7.) What is place value?
a. A whole number
b. A fraction
c. Names the place the number holds
d. A number written in expanded form

8.) The following table shows the population of four Pennsylvania cities in 2007.
Order the cities from greatest to least.

Allentown 107,294
Wilkes-Barre 41,288
Scranton 108,194
Hazelton 81,298

For the following numbers write the digit found in the given place.

9.) 9,105,328
ten thousands ___ Millions ___ Tens ___

10.) 11,213,476
ten million ___ hundred thousand ___ ones ___

Review 3

Rem: First Name, last initial

Multiply & Divide

1. -12 x 7
2. 15 x 3
3. 55 x (-2)
4. -17 x 5
5. 20 x 5

6. 45 / 9
7. 96 / -8
8. 100 / -5
9.-250 / 50
10. 75 / -15

Write three ratios that are equal to 16:4