MTH011A |Math Foundations II | Unit 3 Graded Assignment| Ratio, Proportion, and Decimals
Name: / Date:Graded Assignment
Unit 3 Assignment
Answer each unit review question. When you are done, give your assignment to your teacher according to his or her directions.
Solve the following problems:
(1point)
Score- Choose the answer that correctly expresses this ratio in fraction form. 36:54
Answer:
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- Choose the answer that correctly expresses this ratio in simplest fraction form. 25 to 50
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- Write a ratio that correctly compares a class that has 12 girls out of 23 total students.
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(1 point)
Score- What is the unit rate in this problem? The car went 450 miles and used 15 gallons of gas.
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(1 point)
Score- The legend of a map says that .5 inches is equal to 10 miles on the map. If a highway on the map is 1.75 inches long, how long is the actual highway?
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- Change .145 to a percent.
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- Change 72% to a decimal.
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(1 point)
Score- Change 125% into a fraction.
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(1 point)
Score- Find 30% of 60.
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(1 point)
Score- Find 80% of 300.
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(1 point)
Score- Of 3,000 pet owners surveyed, 15% adopted their pets from an animal shelter. How many pets were adopted from an animal shelter?
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(1 point)
Score- To maintain a healthy diet, no more than 30% of calories consumed each day should come from fat. A normal, healthy teenage girl needs about 2,000 calories each day. How many calories should come from sources other than fat in a teenage girl's diet each day?
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(1 point)
Score- What is the probability of rolling an even number on a standard 6-sided die?
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(1 point)
Score- What is the probability of rolling any number except for three on a standard 6-sided die?
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Score(1 point)
- True or false: A probability of 0 means that an event is possible.
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(1 point)
Score- A bag contains 12 marbles. Three of the marbles are green. What is the probability you will choose a green marble from the bag? Express as a fraction.
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(1 point)
Score- True or false: The probability of an event occurring is. The chances of the event occurring are greater than the chances of the event not occurring.
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(1 point)
Score- Write an integer that represents this situation (be sure to include + or -): weight gain of 10 pounds
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(1 point)
Score- Write an integer that represents this situation (be sure to include + or -): a 15 yard loss in football
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(1 point)
Score- +11 + (+6) =
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(1 point)
Score- -15 + (+23) =
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Score(1 point)
- 5 − (-10) =
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- -12 – 9 =
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(1 point)
Score- Katie earns money by selling lemonade. She keeps track of how much she spends and makes each weekend. The following are her profits and expenses: -$3, +$4, -$3, +$6,
-$2, +$5, -$6, +$12. How much money did Katie make or lose this weekend?
Answer:
(1 point)
Score- The average temperature on the surface of the earth is 15 degrees. On the surface of Mars, the average temperature is -50 degrees. What is the difference in these two temperatures?
Answer:
(1 point)
Score- What is the name of the horizontal axis on a coordinate grid?
point of origin
x-axis
y-axis
Answer:
(1 point)
Score- What is the name of the vertical axis on a coordinate grid?
point of origin
x-axis
y-axis
Answer:
(1 point)
Score- What name is given to the ordered pair (0, 0)?
point of origin
x-axis
y-axis
Answer:
(1 point)
Score- True or false, y-values above the point of origin on the y-axis are always positive.
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Score(1 point)
- Write this number in standard form. three hundred fifty thousand
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- Write this number in standard form. four and thirty one hundredths
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(1 point)
Score- Write this number in standard form. 4,000,000 + 300,000 + 6,000 + 500 + 7
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(1 point)
Score- Astronaut Shannon Lucid holds the world record for the longest stay in space by a woman. She lived aboard the Russian space station Mir for 188 days. Write the number in word form.
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(1 point)
Score- As a safeguard against error, the dollar amount on a check is written in both standard form and in words. Write the dollar amount of six thousand, six hundred forty-one dollars and forty cents. Write this number in standard form.
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(1 point)
Score- Write the number in standard notation.
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(1 point)
Score- Write the number in standard notation.
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(1 point)
Score- Write this number in standard notation. four hundred twenty and three tenths
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(1 point)
Score- The circulation of a popular magazine is about 1,100,000. What is the correct scientific notation of this number?
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(1 point)
Score- There are 5,280 feet in one mile. What is the correct scientific notation of this number?
Answer:
(1 point)
Score- Write this number in standard notation. ten thousand one hundred forty-two and nine tenths
Answer:
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