2. Basic Skills Quiz #7
1.) Subtract and write your answer in simplest form.
5 - 3 3
8
2.) Complete the following decimal operation.
15.84 - 1.257
3.) What is the Greatest Common Factor of 12 and 30?
4.) What is the theoretical probability of rolling a
number greater than 4 on a fair number cube?
5.) Round the following to the nearest hundredth.
1234.5678
2
4. Anticipatory Set
1.) Find, explain, and correct the mistake in the
following example.
-9x - 4 + 7x + 10 = -20
-2x - 6 = -20
+6 +6
-2x = -14
-2 -2
x=7
4
5. 1
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
1.) Keep the equation balanced
2.) Simplify by combining like terms.
3.) Use inverse operations
7p - 6 + 4p = -39
5
6. 2
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
1.) Keep the equation balanced
2.) Simplify by combining like terms.
3.) Use inverse operations
28 = 16y - 4 - 8y
6
7. 3
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
1.) Keep the equation balanced
2.) Simplify by combining like terms.
3.) Use inverse operations
-5x + 9 + 2x = -30
7
8. 4
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
1.) Keep the equation balanced
2.) Simplify by combining like terms.
3.) Use inverse operations
8a - 9 - 2 - a = 24
8
9. 5
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
1.) Keep the equation balanced
2.) Simplify by combining like terms.
3.) Use inverse operations
100 - 40 = -2x - 2 - 4x + 20
9
10. 6
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
1.) Keep the equation balanced
2.) Simplify by combining like terms.
3.) Use inverse operations
-2z + 5 + 4z = 6
10
11. 7
ALGEBRA
The Search for Unknowns
Objective: Isolate the variable to find its value
RULES
1.) Keep the equation balanced
2.) Simplify by combining like terms.
3.) Use inverse operations
9m - 6 + 16 - 14m = -5
11
12. Tiffany works at Carrabra‛s Restaurant. She works an equal
number of hours on Friday night and on Saturday night. On
Friday night, Tiffany waitresses at the restaurant earning $8
an hour plus $61 in tips. On Saturday, she works as a hostess
earning $10 an hour. Last weekend, Tiffany earned a total of
$187. How many hours did Tiffany work on Friday night as a
waitress at Carrabra‛s Restaurant?
Let x = ______________
12
13. Before You Leave
Explain, in complete sentences, how you simplify a
multistep equation into a two-step equation.
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