Operations w/ + & - Numbers
Evaluate:
-12+14
2
An absolute value represents ________.
the distance a number is away from zero
Using distributive property, solve:
2(5 + 6) =
22
m = 5
Solve the following:
x+5.4=10.89
x = 5.49
Which number is farthest to the left?
A. - 4
B. |- 4|
C. -|-4.2|
D. 4
C
What does a variable represent?
An unknown value
Evaluate:
-3-8
-11
|-14| =
14
Using distributive property, evaluate:
3(2x - 4)
6x - 12
If x = 2, what is the value of
3x^3
24
Solve the following:
3+y=10
y = 7
Which value is closest to 0?
A. 0.4
B. 0.15
C. |-0.2|
D. 3 out of 10
B
Opposite operation is called the _______ operation.
Inverse
Evaluate:
-9*3
|1/2|=
1/2
Evaluate the following when x = 2:
3(4x - 5)
9
If c = 4, what is the value of
5c+12
32
Solve the following:
12x=144
x = 12
Write the inequality for r, when r represents a summer reading program that requires children to read more than 55 minutes per day.
*Include units in final answer
r > 55 minutes
What does "PEMDAS" stand for?
What is Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction?
Evaluate:
-4*-6
Complete the number sentence:
|-2| ____ 1
>
Write an equivalent expression to:
- 4(x + 9)
-4x - 36
If b = 11, what is the value of
7*6-b
31
Solve the following:
x/4=-8
x = - 32
Write an inequality for s, when s represents a doctor's recommend that a boy limits his screen time to less than 20 minutes per day.
*Include units in final answer
When trying to solve for a variable in an equation, what do you use to isolate the variable?
Inverse / Opposite Operations
Evaluate:
-21/3
-7
Solve the following:
6-|-2|
4
Write an equivalent expression to:
7x + 56
7(x + 8)
Write the expression first then evaluate.
Expression: 72 - t
Answer: 63
Solve the following:
8-p=14
p = - 6
Graph the inequality for the following scenario:
Each student must complete more than 35 hours of community service in order to graduate.
*Hint: Start by creating your own number line
See Ms. Burnette for final answer
Sally calculated the area of a rectangle as 3x + 4x + 5x. Write an equivalent expression.
x(3 + 4 + 5)