Monday, May 2, 2011

Circumference & Area of a Circle

Rem: First name, last initial

Find the Circumference Formula: C=∏d (circumference=pi x diameter)
pi = 3.14

1. diameter = 7.5m
2. d = 15.5ft
3. d = 10.2cm
4. d = 5mm
5. d = 22km


Find the Area Formula: A=∏r2 (Area=pi x radius squared)

6. r = 15cm
7. r = 4.25m
8. r = 7ft
9. r = 6.75yd
10. r = 10ft

Tuesday, April 26, 2011

Weighty Problems

Rem: first name, last initial

Sum the weights and convert to lbs and ounces.
(Hint: 16 ounces = 1 pound)
1. 8 ounces + 32 ounces(oz) + 1 lb = _____ pounds(lbs) _____ ounces (oz)
2. 1 lb + 24 oz = _____ lb ____ oz
3. 6 lbs + 112 oz = _____ lb ____ oz
4. A bag of chips weights 12 oz. Write the weight of 8 bags.
5. How much less is a person who weighs 98 lbs than a man weighing 170 lbs?
6. How much heavier is a woman weighing 135 lbs than a girl weighing 108 lbs?

Convert metric units
(Hint: move the decimal point for some of the questions below)

7. The length of a driveway is 25 meters. How many centimeters in length is it?
8. One soda bottle contains 2 liters. How many liters are in 10 bottles?
9. A person weighs 70 kilograms (kg). How many grams does the person weigh?
10. A classroom is 15 meter in length and 12 meters in width. What is the area
of the classroom in square meters?

Monday, April 18, 2011

Measurement Practice

Rem: First name, last initial

U.S. Customary Units

Convert the following:
1. 12 inches = _________ feet
2. 36 inches = ________ yards
3. 60 inches = ________ feet
4. 4 quarts = _______ gallons
5. 16 oz = ______ pounds

Metric Units

Convert the following using the table:

Length
1 meter = 1,000 millimeters
1 met er = 100 centimeters
1,000meter = 1 kilometer

6. 15 m = ______ cm
7. 70 cm = _______ mm
8. 2,000 m = _______ km
9. 6000 mm = _______ m
10. 450 cm = _______ m

Monday, April 11, 2011

Dividing Integers

Rem: first name, last initial

Divide:

1. 30 / 6
2. 77/-11
3. -250/75
4. -500/-10

Evaluate each expression for b=(-6)

5. (-48/b) + (-4)
6. 74 - b / 10
7. b/-2 x 4

Use Order of Operations to Solve

8. 5 x 10 / 25
9. 40-(-26/13)2
10. 32/16 -4 + 20

Multiplying Integers

Rem: First Name , last initial

Multiply

1. 12 x (-5)
2. (-8) x (-9)
3. 7 x 20
4. (-2)(-8)(-9)
5. 25 x 4

Evaluate each expression for a = 7

6. (-7)a
7. -15a - 5
8. 20 + (-6)a

Use Order of Operations to evaluate

9. (-8) + 5 + 7 - 8 x 4

10. (-4) - 6 x 9 + 22 x (-2)

Monday, April 4, 2011

Integers & Rational Numbers

Rem: first name, last initial

Hint: Picture a Number Line with 0 (zero) in the middle.

Comparing Integers

1. -7 ___ 0
2. 15 ___ 25
3. 667___ 663
4. -63___-66
5. Write three integers less than -30

Order the following Integers
6. 17,22,0,-6,-1,5
7. -10,-12,-4,3,8

Compare Rational Numbers

8. -1/2 ____0.5
9. 3/4 ____ -3/4

Order Rational Numbers

10. 0.15, 1/2, 0.33, -0.25

Monday, March 28, 2011

Mixed Review (fractions/factors)

Rem: first name, last initial

1. Give examples of a proper fraction, improper fraction and a mixed #

2. Give the product of 95 and 250

3. Convert and simplify 34/4

4. Round 4,326,829 to the nearest ten thousand

5. Write eighty-four billion, nine hundred million, three hundred twenty-four thousand, two
6. Write the prime factors of 14

7. Write the prime factors of 42

8. Write the GCF for 12 and 81

9. Write the LCM for 6 and 10

10. Write a four digit number that is divisible by 4

Thursday, March 3, 2011

Outcomes & Probability

Rem: First name & last initial

Find the possible outcomes

1. List all the possible outcomes for flipping 2 coins. (heads/tails)

2. A spinner is labeled A,B,C,D - list all the possible outcomes for 2 spins.

3. You roll a number cube 20 times tracking the results using tally marks.
When you count the tallys for each number (1 - 6) the total is known as
the ________________.

Use the words below to answer the questions.

certain, very likely, likely, unlikely, impossible


4. Rolling a value greater than 6 when using two dice?

5. Meeting the President when you are at the mall?

6. Seeing your teacher on the next school day?

Probability

Write the fraction to describe the probability of the event.


A bag containing marbles has (5)green, (3)orange, (7)purple.

7. Randomly selecting a green marble?

8. Randomly selecting a purple marble?

9. Randomly selecting an orange marble?

10. Randomly selecting an orange or a purple marble?

Friday, February 25, 2011

Patterns & Equations

Rem: first name , last initial

Complete the Pattern:

1. 179;157;135;113;91;___;___;___

2. 28;42;56;70;84;___;___;___;___

3. 325;315;305;295;___;___;___;___

4. 140;127;114;___;___;___;___

5. 90;82;88;80;84;___;___;___;___


Balance the Equation:

6. t - 44 = 62

7. s + 98 = 306

8. c x 72 = 432

9. m - 791 = 348

10 525 / r = 175

Tuesday, February 22, 2011

Negatives & Positives

Rem: first name and last initial

Comparing Numbers - Think about a number line with a zero (0) in the middle. The numbers to the left are negative and the numbers to the right are positive. As you move further left on the number line the numbers are decreasing in value. As you move to the right on the number line the numbers increase in value.

____________________________________________________________
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6

Compare the following integers: (<,>,=)

1. -7 ___ -3

2. 16 ___ -16

3. 15 ___ 12

4. 0 ___ -5

5. -20 ___ -25

6. 41 ___ 14

7. -500 ___ -455

8. 1,207 ___ 12,007

9. 0 ___ 20

10. -125 ___ -175

Thursday, February 10, 2011

% 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.

Friday, February 4, 2011

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?

Friday, January 28, 2011

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

Wednesday, January 19, 2011

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

Monday, January 10, 2011

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

Monday, January 3, 2011

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 ___