Equations
Angle Relationships
Inequalities
Error Analysis
Grab Bag
100
Solve for x
17 = 3x+5
x=4
100
Complementary angles add up to _____
Supplementary angles add up to _____
Complementary angles add up to 90
Supplementary angles add up to 180
100
Write your answer starting with x
x>6
100
When asked to graph x > 3, Sarah drew the following:
What did she do wrong?
She should have used an OPEN circle
100
Write the inverse for each action below:
a) x+4
b) -3x
a) subtract 4
b) divide by -3
200
Solve for x
10 + 2x =28
x=9
200
What type of angle relationship is illustrated above
Vertical Angles
200
Solve for x
6x + 14 < -4
x < -3
200
Zach used the distributive property to expand the expression. His teacher said his answer was incorrect.
Identify and correct Zach's mistake.
Zach did not correctly multiply -6(2). He put 12 as his answer, when it should really be -12.
-18x - 12
200
Expand the following expression:
4(5x-3)
20x-12
300
Solve for x
-3x + 4 =-11
x=5
300
Solve for x
____ + ____ = ____
x + 3 + 49 = 90
x =38
300
Solve for x
11 - x > 30
x < -19
300
Jackie was trying to solve for x. Explain her mistake and then correctly solve the equation.
She incorrectly thought that the negative coefficient was subtraction. It is actually multiplication (by a negative), so she needs to divide both sides by (-3).
x = -8
300
6x+8-10x-3
Simplify the expression:
-4x+5
400
Solve for x
2(x-8)=18
x=17
400
Solve for x
x=12
400
Solve for x and describe (or draw) the graph of your solution
x/4 - 6> -4
Open or Closed
<----- or ----->
x > 8
Open and ----->
400
Gerald was trying to solve for x. Explain where he first wen wrong and then correctly solve the equation for x:
The student should have subtracted the 10 from both sides first. Then they should have divided by 5 to get the variable by itself.
x = 7
400
List two values that are solutions to the following inequality:
x > 3
Possible answers include: 4, 5, 6, 7...
500
Solve for x
-4(x -5)=-4+40
x=-4
500
Solve for x
x=61
500
Daniel had $25 to spend at the fair. If the admission to the fair is $4 and the rides cost $3 each, what is the greatest number of rides Daniel can go on?
1. Write and solve an inequality
2. Write a sentence to answer the question
3x + 4 ≤ 25
x ≤ 7
The greatest number of rides Daniel can go on is 7 rides.
500
Frankie solved the following inequality and got an answer of x > -3
What was his mistake? What is the correct solution?
Frankie forgot to flip the inequality sign after he divided by a negative number.
x < -3
500
Solve for x
3/4x -1 = 5
x=8