Inverse Operations
Solving Equations
Inequalities
True/False
Real World Problems
100
Which inverse operation needs to be used to solve for x?
6 + x = 12
subtraction
100
What number represents the solution to the equation?
x + 3 = 7
x= _______
x = 4
100
When graphing an inequality with the > sign, will you use an open or closed circle?
open
100
The identical inequality of x > 23 is 23 < x
If the question is false, How can we make the statement true?
True
100
Seth and Jayceon participated in a quiz contest. They scored 23 points in all. If Seth scored 9 points, how many points did Jayceon score?
Which equation can be used to determine the number of points Jayceon scored?
A) 9 + 23 = t
B) t + 9 = 23
C) 23/t = 9
D) 9t=23
B) t + 9 = 23
100
Which inverse operation needs to be used to solve for y?
20y = 40
division
100
Solving Equations
Solve the equation for x.
2x = 14
x = 7
100
When graphing an inequality with the < sign which direction would the arrow go?
To the left
100
The identical inequality of 6 < m is 6 > m
If the question is false, How can we make the statement true?
False
100
Seth and Jayceon participated in a quiz contest. They scored 23 points in all. If Seth scored 9 points, how many points did Jayceon score?
Show your work!
How many points did Jayceon score?
14 points
100
Which inverse operation is being shown in the example below?
Hint: Which operation and number is shown on both sides of the equation?
18 - 18 + j = 35 - 18
subtraction
100
Solving Equations
Solve for x.
9 + x = 15
x = 6
100
Write an Inequality
Webster has more than 12 toys.
x > 12
100
We use a closed circle to represent the inequalities < and >
If the question is false, How can we make the statement true?
False
100
The 3rd grade section of ACE has 12 classrooms. If each classroom can have 15 kids, how many kids can the 3rd grade section have in all?
Which equation can be used to find the number of kids the 3rd grade section may have?
A) k + 12 = 15
B) 12k = 15
C) k/12 = 15
D)15 - k =12
C) k/12 = 15
100
Which inverse operation should to be used to solve for g?
g/42 = 30
multiplication
100
What value of c can be a solution to the equation?
2.5c = 12.75
c= 5.1
100
Write an inequality
S is at most 55
s <= 55
100
y > 72 is identical to 72 < y
If the question is false, How can we make the statement true?
True
100
The third grade section of ACE elementary school has 12 classrooms. If each classroom can accommodate 15 students, how many students can the third grade section accommodate in all?
How many students can the third grade section accommodate? Show your work!
t/12=15
t = 12 x 15
180 students
100
Look at how this student solved the equation below:
4d = 32
4 x 4d = 32 x 4
d = 128
Which operation does the original equation show?
Did they use the correct inverse operation to solve the equation ? Explain. Which operation did the student use to solve the problem?
Multiplication
No they used multiplication.
They should have used division because division is the inverse operation of multiplication.
100
Solve for r.
r/-25 = -5
r = 125
100
Is the following inequality graphed correctly? If not, what does the graph show?
x < 6
No, the graph shows x ≥ -6.
100
Inequalities only have one solution, just like equations.
False. Inequalities have infinitely many solutions.
100
Which set of values make the inequality x + 24 ≤ 56 true?
A. 24, 28, 32
B. 24, 30, 34
C. 28, 34, 40
D. 32, 34, 36
A. 24, 28, 32