Proportions/ Fractions
\frac{3}{10}=\frac{x}{50}
15
This property states that you can move grouping simples without impacting the sum.
Associative Property of Addition.
Write as an algebraic expression: 3 more than x
x + 3
"E" stands for this operation.
What is exponents.
Solve for x.
x + 5 = -3
-8
What is cross multiplication?
A process of solving proportions where you multiply diagonally across the proportions.
Distribute
2(3x+4z)=3(2z)
6x+8z=6z
Write as an algebraic expression: 3 less than twice a number
2x - 3
List the order of operations
Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction.
Solve for y.
3y = 15
5
Simplify the fraction:
\frac{35}{105}
3
True or false: Subtraction is a commutative property?
False
Write as an expression:
Five more than twice a number
2x + 5
True or False: Multiplication/Division and Addition/Subtraction are done left to right.
True
Solve for x:
-3x + 3 + 5x = 11
\frac{5}{x}=\frac{25}{500}
100
Distribute
\frac{1}{2}(2x+4)
x+2
Write as an algebraic expression:
2 less than the sum of two times a number and five.
Solve.
2(3-5)+15\cdot3-2
39
\frac{5}{8}(6x+2)=20
5
True or false: Mr. Palmer does not care if you reduce fractions.
TRUE! Leave your fractions as they are!
Distribute and combine like terms.
3(x+5z)+3x-24=10
6x+15z-24=10
Choose the variables and write the equations:
Sally has $10 more than Daisy. Together they have $80. How much does each have?
D + S = $80
Solve.
\frac{1}{2}(3-1)+10-5\cdot2
1
\frac{1}{3}(x+9)-12=4
39