CHAPTER 4 TEST HOT SEAT RESOURCE MANAGERS NEED

CHAPTER 4 TEST HOT SEAT RESOURCE MANAGERS NEED TO GET WHITE BOARD BUCKETS. FACILITATORS ARE UP 1 ST.

QUESTION 1 Select all of the expressions below that can be used to calculate the number of tiles in a 19 x 19 frame. A. (19 · 4) – 4 B. 18 · 4 C. 19 · 18 D. 19 + 17 E. 19 · 19 F. (17 · 18) – 4 G. 17 · 4 + 4

ANSWER Select all of the expressions below that can be used to calculate the number of tiles in a 19 x 19 frame. A. (19 · 4) – 4 B. 18 · 4 C. 19 · 18 D. 19 + 17 E. 19 · 19 F. (17 · 18) – 4 G. 17 · 4 + 4

QUESTION 2 Evaluate the following expression when a = 5, b = 10, and c = 12. C – 2 a + b

ANSWER Evaluate the following expression when a = 5, b = 10, and c = 12. 12 – 2(5) + 10 12 – 10 + 10 2 + 10 12

QUESTION 3 Lauren is 18 years old and her mother, Carolyn, is 46 years old. What will be the ratio of Lauren’s age to Carolyn’s age in 4 years?

ANSWER Lauren is 18 years old and her mother, Carolyn, is 46 years old. What will be the ratio of Lauren’s age to Carolyn’s age in 4 years? 22 : 50 = 11 : 25

QUESTION 4 Write a variable expression represented by the picture or quantity described below. 3 c 3 c 2 3 c 12

ANSWER Write a variable expression represented by the picture or quantity described below. 3 c 3 c 2 3 c 1 3 c 4(3 c) + 15 3 c + 2 + 12 3 c + 15 12

QUESTION 5 On a map, 5 inches represents 100 miles. How many inches would there be between two cities that are 2, 500 miles apart?

ANSWER On a map, 5 inches represents 100 miles. How many inches would there be between two cities that are 2, 500 miles apart? 125 inches I M 5 100 x 2500 5 x = 100 2500 100 x = 12500 100 x = 125

QUESTION 6 Elizabeth prepared 9 lbs of dough after working 3 hours. How many hours did Elizabeth work if she prepared 18 lbs of dough? Show the proportional reasoning you used.

ANSWER Elizabeth prepared 9 lbs of dough after working 3 hours. How many hours did Elizabeth work if she prepared 18 lbs of dough? Show the proportional reasoning you used. 6 hours lbs 9 18 h 3 x 9 3 18 = x 9 x = 54 9 9 x=6

QUESTION 7 Write a variable expression represented by the picture or quantity described below. b 8 b b 10

ANSWER Write a variable expression represented by the picture or quantity described below. b 8 b b 3 b + 18 b + b + 8 + 10 10

QUESTION 8 Evaluate the expression for the given value of the variable. 14 + 6 m – 8 for m = 2

ANSWER Evaluate the expression for the given value of the variable. 14 + 6 m – 8 for m = 2 14 + 6(2) – 8 14 + 12 – 8 26 – 8 18

QUESTION 9 14 in 5 in 8. 75 in 8 in Are the two rectangles similar? How do you know?

ANSWER 14 in 5 in 8. 75 in 8 in Are the two rectangles similar? How do you know? Yes, the second rectangle’s length and width were enlarged by a scale factor of 1. 75.

QUESTION 10 John needs to make a picture frame for a Christmas gift. He wants his frame to have 12 tiles on each side. Write an expression to find the total number of tiles used in the frame. Draw a diagram that represents your method for finding the number of tiles John will use.

ANSWER John needs to make a picture frame for a Christmas gift. He wants his frame to have 12 tiles on each side. Write an expression to find the total number of tiles used in the frame. 12(2) + 10(2) Draw a diagram that represents your method for finding the number of tiles John will use. 12 10 10 12

QUESTION 11 6 in 5 in 15 in 2 in What is the ratio of the smaller perimeter to the larger perimeter?

ANSWER 6 in 2 in 5 in 15 in 2 in 15 in 6 in What is the ratio of the smaller perimeter to the larger perimeter? 14 : 42 = 1 : 3