Writing Equations
TRUE or FALSE: w - 7 =20; w = 13
What is FALSE?
w = 27
Solve: y + 8.3 = 12.7
What is y = 4.4?
Solve: x / 4 = 12.5
What is x = 50?
Graph: a < -2
What is {please hold!}
Brockman- see SLIDES
Mrs. Brockman has been teaching for this long.
What is {almost} 8 years?
TRUE or FALSE: 15t = 120; t = 8
What is TRUE?
15(8) = 40
Solve: w - 14 = 23
What is w = 37?
Solve: 8w = 120
What is w = 15?
Graph: 4 > n
What is {please hold!}
TRUE or FALSE: Pineapples belong on pizza.
What is TRUE?
YUMMY Hawaiian piizzzaaaa
TRUE or FALSE: y/12.5 = 3.25; y = 40.625
What is TRUE?
40.625 / 12.5 = 3.25
Solve: x - 1.9 = 15.7
What is x = 17.6?
Solve: 6.3 = x/4.5
What is x = 28.35?
Write an inequality that matches the model.
{please hold!}
What is x < -5?
Mrs. Brockman is having this for lunch today.
{please hold}
In a choir there are 16 altos and x sopranos. There are twice as many sopranos as altos. Write an equation to represent the situation.
What is x/2= 16?
Solve: 1/2 = a - 5/4
What is a = 7/4 ? OR 1 3/4?
Solve: 4 3/5 = 4x?
What is x = 1.15?
Write an inequality that matches the model.
{please hold!}
What is x > -1?
TRUE or FALSE: Mrs. Brockman prefers HOT coffee over ICED.
FALSE: Iced Lattes = LiFe
Mrs. Brockman teachers 4 math classes, with the same # of students in each class. Of those students, 80 are sixth graders and 40 are fifth graders. Write an equation that determines how many are in each class.
What is 4x = 80 + 40?
Ellie spent $88.79 at the computer store. She then had $44.50 left to buy a water bottle. How much money did she originally have? WRITE and SOLVE an equation to answer the question.
What is x - 88.79 = 44.50; x = 133.29
The area of a rectangle is 156 in2. The length is 19.5 inches. Write and Solve an equation to determine the width.
What is 19.5x = 156? AND x = 8
To check a bag on Delta, your suitcase cannot weigh more than 50 lbs. Write an inequality to represent the situation.
What is x < 50?
Mrs. Brockman wears this size shoe.
What is size 7.5-8?