Lesson 1.1
What is Order of Operations?
PEMDAS
Which operation is this?
5 divided by n
Divison
Translate the phase.
The difference of a number x and 2
x - 2
What does this symbol mean?
=
Equal To
What does domain mean?
It contains numbers called input
What is the last step for PEMDAS?
Adding or Subtracting
What does variable mean?
is a letter that represents a number
What are the verbal phrases for multiplication.
Multiply by, product, times, of.
Whats is a Solution?
It is the values or the variables that make an equation True or False
What's the Rule?
2 3 4 5
10 15 20 25
Multiply by 5
How do you evaluate this expression?
2-4+3(4)
2-4+3(4)
2-4+12
2+12
14
How do you say this in word form?
23
two to the third power
How do you find Unit Rate?
Divide the numerator by the denominator
Ex. 60:5
12:1
What is the meaning of equation?
Is an open sentence that contains the = symbol
What does the Range mean?
A set called the range that contains numbers called output
What is the first step of this problem?
52 + 2(1-3)
Parentheses
Solve this problem. 7a + j
a= 2
j= 4
21
Whats the Unit Rate?
$32/4 tickets
$8:1 ticket
Is this a Solution?
5 + x = 25;5
Yes it is
What's the Rule?
3 4 5 6
6 8 10 12
Multiple by 2
Solve this problem.
8+2-32 (2+1)
8+2-32(2+1)
8+2-32 x 3
8+2-9 x 3
8+ 2 - 27
10 - 27
17
Solve this Problem.
4 +(w - n)
n = 24
w = 53
4 +(53-24)
4 + 29
33
Translate this to a expression.
4 more than 1/2 of a number n
4 + 1/2n
Is this a Solution?
9 + n= 18;3
No it isn't
4 6 8 10
28 42 56 70
Multiply by 7