CHAPTER 3 TEST REVIEW RESOURCE MANAGERS NEED TO

CHAPTER 3 TEST REVIEW RESOURCE MANAGERS NEED TO GET WHITE BOARD BUCKETS.

QUESTION 1 What is the least common denominator for 2/6 and 4/9?

ANSWER What is the least common denominator for 2/6 and 4/9? 18

QUESTION 2 2/6 + 4/9

ANSWER 2/6 + 4/9 14/18

QUESTION 3 What is the GCF needed to simplify 14/18?

ANSWER What is the GCF needed to simplify 14/18? 2

QUESTION 4 Select all of the numbers below that can be used to fill in the missing portions on the web below. A. 18/1000 B. 0. 18 C. 1. 8% D. 18, 000

ANSWER Select all of the numbers below that can be used to fill in the missing portions on the web below. A. 18/1000 B. 0. 18 C. 1. 8% D. 18, 000

QUESTION 5 Select all of the representations below that are equivalent to 4/25. A. 84% B. 12/75 C. . 84 D. 1/4

ANSWER Select all of the representations below that are equivalent to 4/25. A. 84% B. 12/75 C. . 84 D. 1/4

QUESTION 6 -2 + (-10) has the same result as which of the following. A. -[(-2) + (-10)] B. 2 + (-10) C. –(2 + 10) D. 2 + 10

ANSWER -2 + (-10) has the same result as which of the following. A. -[(-2) + (-10)] B. 2 + (-10) C. –(2 + 10) D. 2 + 10

QUESTION 7 22 + (-15) has the same result as which of the following? A. B. C. D. 22 – 15 -22 + (-15) –(22 – 15)

ANSWER 22 + (-15) has the same result as which of the following? A. B. C. D. 22 – 15 -22 + (-15) –(22 – 15)

QUESTION 8 Below is Hayden’s work. Did he reduce the fraction correctly? Explain.

ANSWER Below is Hayden’s work. Did he reduce the fraction correctly? Explain. Yes. The GCF of 55 and 500 is 5, so using 5 in the Giant One is correct.

QUESTION 9 How do you make a negative less negative?

ANSWER How do you make a negative less negative? Adding a positive number to a negative number makes a number less negative.

QUESTION 10 Below is Cooper’s work. Did he reduce the fraction correctly? Explain.

ANSWER Below is Cooper’s work. Did he reduce the fraction correctly? Explain. No. The GCF of 28 and 60 is 4, so using 2 in the Giant One does not get the fraction to simplest form.

QUESTION 11 How do you make a negative more negative?

ANSWER How do you make a negative more negative? Adding a negative number to a negative makes it more negative.

QUESTION 12 How can you use a number line to explain how negative numbers get more negative or less negative?

ANSWER How can you use a number line to explain how negative numbers get more negative or less negative? On a number line, as we move to the left, the numbers are negative. To make it "less negative"� would mean to move a number to the right, toward the positive directions. This makes the number larger. To make it “more negative” would mean to move a number to the left. This makes the number smaller.

QUESTION 13 At the Calaveras County Fair, ME-HOP jumped 6. 75 feet due north of the starting point, but then jumped 0. 5 feet south. Mr. Toad jumped four feet due west, paused, and jumped 2. 25 feet east. Which frog had the overall greatest distance from the starting point? Justify your answer by using absolute value.

ANSWER At the Calaveras County Fair, ME-HOP jumped 6. 75 feet due north of the starting point, but then jumped 0. 5 feet south. Mr. Toad jumped four feet due west, paused, and jumped 2. 25 feet east. Which frog had the overall greatest distance from the starting point? Justify your answer by using absolute value. ME-HOP | 6. 75 – 0. 5 | = 6. 25 ft Mr. Toad | 4 – 2. 25 | = 1. 75 ft ME-HOP jumped further

QUESTION 14 Compare the following numbers by stating if the relationship between the two numbers is , <, >, or =. | -45| ______ | -56|

ANSWER Compare the following numbers by stating if the relationship between the two numbers is , <, >, or =. | -45| < | -56|

QUESTION 15 Compare the following numbers by stating if the relationship between the two numbers is , <, >, or =. | -310| ______ -| 12|

ANSWER Compare the following numbers by stating if the relationship between the two numbers is , <, >, or =. | -310| > -| 12|

QUESTION 16 What is the distance between the pair of points? (-12, 3) and (6, 3)

ANSWER What is the distance between the pair of points? (-12, 3) and (6, 3) 18

QUESTION 17 What is the distance between the pair of points? (1, 7) and (1, -22)

ANSWER What is the distance between the pair of points? (1, 7) and (1, -22) 29

QUESTION 18 Complete the scale by labeling the remaining tick marks. -8 4

ANSWER Complete the scale by labeling the remaining tick marks. -10 -8 -6 -4 -2 0 2 4 6 8 10

QUESTION 19 Kelsey says “If |-10| equals 10, why doesn’t |10| equal -10? ” Help Kelsey out and explain this to her.

ANSWER Kelsey says “If |-10| equals 10, why doesn’t |10| equal -10? ” Help Kelsey out and explain this to her. Absolute value is a distance, and distances are always positive.

QUESTION 20 Complete the scale by labeling the remaining tick marks. 5. 2 6. 2

ANSWER Complete the scale by labeling the remaining tick marks. 5. 2 5. 4 5. 6 5. 8 6 6. 2 6. 4 6. 6 6. 8 7 7. 2

GREAT WORK! YOU SHOULD BE READY FOR YOUR TEST NOW!