Select all of the expressions below that can be used to calculate the number of tiles in a 19x19 frame. A.(19 · 4) – 4 B.18 · 4 C.19 · 18 D E.19 · 19 F.(17 · 18) – 4 G.17 · 4 + 4

Select all of the expressions below that can be used to calculate the number of tiles in a 19x19 frame. A.(19 · 4) – 4 B.18 · 4 C.19 · 18 D E.19 · 19 F.(17 · 18) – 4 G.17 · 4 + 4

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

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

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

Write a variable expression represented by the picture or quantity described below. 3c 3c 2 3c 1 3c 12

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

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

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 IM x = x = x x = x = 125

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.

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 lbsh9 3 9x = = x x x = 6

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

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

Evaluate the expression for the given value of the variable m – 8 for m = 2

Evaluate the expression for the given value of the variable m – 8 for m = (2) – – 8 26 – 8 18

8 in 5 in 14 in 8.75 in Are the two rectangles similar? How do you know?

8 in 5 in 14 in 8.75 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.

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.

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

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

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