CHAPTER 4 REVIEW! Rational Numbers. QUESTION: 1 ANSWER: 1.

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Presentation transcript:

CHAPTER 4 REVIEW! Rational Numbers

QUESTION: 1

ANSWER: 1

QUESTION: 2

ANSWER: 2

QUESTION: LESSON 1 Thirty-six 7 th graders were asked to choose their favorite color. The table shows the fraction of students that chose each color. What decimal shows the difference between the most and least popular colors? Color RedYellowBlueGreen Fractions 5/181/64/91/9

ANSWER: LESSON 1

QUESTION: 3

ANSWER: 3

QUESTION: 4

ANSWER: 4

QUESTION: LESSON 1 Destiny read ¼ of a book on the day she received it. The next day, she read 5/8 of the book. On the third day, she finished reading the book. What decimal represents the fraction of the book Destiny read on the third day?

ANSWER: LESSON 1

QUESTION: 5

ANSWER: 5

QUESTION: LESSON 2

ANSWER: LESSON 2

QUESTION: 6

ANSWER: 6

QUESTION: LESSON 3 The table shows the time Jira spends as she gets ready for school. The tasks are listed in order of when she completes them. How many minutes does she spend getting ready before she brushes her teeth? TASKTIME SPENT (hours) Shower2/12 Get Dressed1/12 Eat Breakfast3/12 Brush Teeth1/12 Fix Hair5/12

ANSWER: LESSON 3 30 minutes

QUESTION: 7 Most of the state names in the United States end in a vowel. Of the 50 states, 25 of the state names end in either an a or an e and 6 end in either an i or an o. If none of the state names end in a u, what is the fraction of states that end in a vowel?

ANSWER: 7

QUESTION: LESSON 4 How many units greater is the perimeter of Triangle B than the perimeter of Triangle A? B A

ANSWER: LESSON 4 Difference: 1

QUESTION: 8

ANSWER: 8

QUESTION: LESSON 4 The circle graph shows how Elena handles her monthly income. What fraction more does she spend or give to charity than she saves?

ANSWER: LESSON 4 (Spend + Charity) – (Long Savings + Short Savings)

QUESTION: 9 Multiply. Write in simplest form.

ANSWER: 9

QUESTION : LESSON 5 The side measures for two sides of a triangle are shown. What is the measure, in inches, of side A if the perimeter of the triangle is 180 inches?

ANSWER: LESSON 5

QUESTION: 10 Round to the Hundredth’s place

ANSWER: 10 K H D U D C M

QUESTION: LESSON 7 In a sauce recipe, 2 cups of ketchup are added for every 1 cup of tomato sauce. If 2.25 cups of tomato sauce are added, about how many milliliters of ketchup should be added? Round to the nearest whole number.

ANSWER: LESSON 7

QUESTION: 11

ANSWER: 11

QUESTION: LESSON 8

ANSWER: LESSON 8