Order of Operations
12-2+4
14
What does it mean to substitute a value of an expression for a given variable? Explain in words or an example
Plug a given number in for the variable
How many terms are in 2x + 3y - 4
3
What is the distributive property? Answer can be in words or by showing an example
*
At what temperature does water freeze?
32 degrees Fahrenheit
What does PEMDAS stand for?
P-Parenthesis
E-Exponent
M/D- Multiplication and Division
A/S- Addition and Subtraction
3x + 4, for x=10
26
True or False? You can combine terms if they have the same variable but DIFFERENT exponents
False
Find the GCF of 56 and 88
What is the tallest animal in the world?
Giraffe
What is the rule when having both division and multiplication OR having both addition and subtraction in the same problem?
Always work from left to right
9(c + 3), for c=6
81
Combine Like Terms
2x + 3 - x
x + 3
What is the difference between the associative and commutative properties of addition?
Associative: Changing the groupings does not change the sum.
Commutative: Changing the order of the addends does not change the sum
Which continent has the most countries?
Africa
42 ÷ 7 * 3 + 7
25
2z/3 +1, for z=3
3
Create Algebra Tiles to model the expression:
3x² + 4x + 8
*
Factor out a GCF and write in distributive property form:
36x + 21
3(12x + 7)
What is the largest organ in the human body?
Liver
3 * (3+7) - 4² ÷ 2
22
Write an algebraic expression for each verbal expression
A number squared divided by 2 and added to 16
x²/2 +16
Rewrite the algebraic expression and combine like terms:
2(y + 5) + 2(x+5)
2y + 2x + 20
Equivalent
What does the ritcher scale measure?
The magnitude of an earthquake