Definitions
Sometimes, this number is an invisible number in front of a variable. Example: x +7
The number 1.
Simplify by combining like terms.
5a+ 6a
11a
Simplify by combining like terms.
8b + 3 - 2b
6b + 3
Are the expressions equivalent?
2d - 3f - 5d - 5f
-9f + f - d - 2d
yes
What holiday is on December 25th?
Christmas Day
An expression does not have this symbol.
An equal sign
Simplify by combining like terms.
3n + 4 + 6n + 3
9n + 7
Simplify by combining like terms.
3m - m - 8n + 2 + 10n
2m + 2n + 2
Are the expressions equivalent?
-6u + 8 + 9 + 7u
3 u + 8 - u - u
no
What time does school end?
3:00 pm
How many terms does this expression have?
3p - 2x + 18
3 terms
Simplify by combining like terms.
2x + 5y + 8y + x
3x + 13y
Simplify by combining like terms.
9x + 4w - (x - 2) + w
5w + 8x + 2
Simplify by combining like terms.
3.8x + 5.1y + 8x - 2.1y
11.8x + 3y
how many hours are in a week?
168 hours
The (Property) that you use if there are parenthesis in the expressions that require multiplication.
What is the Distributive Property?
Simplify by combining like terms.
6j + 8(k + 10k) + j
7j +88k
Simplify by combining like terms.
-2 + 6n - 3 - 5n
n + -5
Are these equivalent?
3x + 9x - 6t
11x - 6t + x
yes
What do the stars represent on the on the American flag?
The 50 states.
After you complete the Distributive property, what is the next step?
Combine Like Terms/CLT
4(x+12) + 9
4x + 57
7(x + y) + 6(x - y)
13x - y
What are the questions you ask yourself when you are asked to simplify an expression?
1. Do I need to distribute?
2. Do I have like terms?
What is Ms. Griffin's favorite color?
Blue