B
-4 + x = 5, What is the value of x?
9
½ x = 3
x = 6
5x = 9
x = 9/5
KJ has 3 fewer hats than Jayla. Write an expression to model the number of hats Jayla has.
h+3
The expression -16t2 + 75t + 6 models how high the ball is, in feet, after being in the air for t seconds. Find the height of the ball, in feet, after 3 seconds.
-16(3)2 + 75(3) + 6=
-16(9) + 225 + 6=
-144 + 225 + 6=
81 + 6=
87 feet
What value of m makes this expression true?
m + 7m = 64
m = 8
¾ x = ½ (don’t simplify this fraction!)
x = 4/6
Ms. Noel is a teacher at Englewood STEM; she has been working there 5 times as long as Ms. Ramirez. Write an expression that shows how many years Ms. Noel has been working at Englewood STEM.
5x; where x is the number of years Ms. Ramirez has worked
Eric incorrectly evaluated the expression 3n2 when n=-5. In what step did Eric make the first error?
Step 1: 3(-5)2
Step 2: -152
Step 3: -15 x -15
Step 4: 225
-152
What value of m makes this expression true?
4m+3 = 6 + 17
m = 5
3x = 2
2/3
-563.57 + z = 264.38
z = 827.95
Maliyah has $20. Denis has $11 more than Maliyah. Write an expression that shows how much money Denis has.
n +11; where n is the amount of money Maliyah has
Brandon scored 4 fewer goals than Tim in the first half of the soccer season. Write an expression for the number of goals Brandon scored. Then evaluate the expression if Tim scored 13 goals.Find the number of goals scored for Brandon.
13-4=9 goals
What value of x makes this expression true?
2x + 3 = 20 - 3
x = 7
0.12 + x = 7.31
7.19
y/0.25 = 1
y = 0.25
Erin has 12 more books than Miguel. If Erin has 37 books, how many books does Miguel have?
37-12=25 books
Fare for the CTA in Chicago is $2.50 per ride with the Ventra. Steven wrote an expression to represent the total cost of rides. Then, he used his expression to find the total cost of 30 rides.
2.50 * 30 = $75
n2 = 9, What value of n makes this expression true?
n = 3
6 = m / ¾
m = 9/2
10.5 + x = -11.5
x = -22
A thrift shop accepts lightly worn used clothing from customers for $.95 per item. How much money would a customer earn if they sold 100 items of clothing?
(.95)(100) = $95.00
While doing research on the climate in Cuba, Mage Denning notices that the temperatures are given in degrees Celsius instead of Fahrenheit. Fahrenheit, F, and Celsius, C, are related by the following formula: F = (9/5)C + 32
Cuba has an average temperature of 25 degrees Celsius. What is the average temperature in degrees Fahrenheit of Cuba?
77 degrees
What value of m makes this expression true?
m = 2m
m = 0