Vocabulary
Evaluate
Like Terms
True or False
Modeling
100
A __________ is the number multiplied by the variable.
Coefficient
100
Evaluate 3x+2y
when x=4 and y=5
22
100
Simplify: 3x+4x
7x
100
If x=2
4x+3 simplifies to 11.
True or False?
True
100
Key: x=# -x=$ 1=@ -1=%
Model the following expression:
3x-5
### %%%%%
200
A _________ is a letter/symbol that represents an unknown number.
Variable
200
Evaluate the following when a=3 and b=9
(6a+b)/3
9
200
Simplify: 5y+3+2y+7
7y+10
200
If y=-2
5y-|3| simplifies to 13.
True or False?
False. The answer is -13
200
Key: x=# -x=$ 1=@ -1=%
What expression is represented below:
# # @ @
2x + 2
300
A __________ is a number that never changes and is not multiplied by a variable.
Constant
300
Evaluate when m=-2 and n=3
|4m-2n|
14
300
Simplify: 6a−3+4a+26a
36a-3
300
If x=3
(x2+6)/3 simplifies to 4.
True or False?
False. The answer is 5.
300
Key: x=# -x=$ 1=@ -1=%
Model the following expression:
-4x+7
$$$$ @@@@@@@
400
A __________ is a combination of letters and numbers without an equal sign.
Algebraic Expression
400
Evaluate when x=3, y=7, and z=-1
(|5x-3y|+4z) / 2
1
400
Simplify: 8x+5y−3x+2y
5x+7y
400
If a=3 and b=-1
2a2 - 4b simplifies to 22.
True or False?
True.
400
Key: x=# -x=$ 1=@ -1=%
What expression is represented below:
$ $ $ $ $ $ $ % % %
-7x - 3
500
What is it called when you simplify an expression based on what is similar?
Combining Like Terms
500
Round to the nearest hundreths:
2.54
500
Simplify: 7b+2a−3b+5+a−4
3a+4b+1
500
If x=-2, y=4, and z=-4
(|x-y|+z2) / 2 simplifies to 11
True or False?
True.
500
Key: x=# -x=$ 1=@ -1=%
What expression is represented below:
# # # $ $ @ @ @ @ @ % %
3x - 2x + 5 - 2
or x + 3