From Your Notes...
A letter used to represent an unknown number
What is a variable?
2k+5=17
What is 6 ?
3a-5=4
What is 3 ?
Solve
m/2 + 8 = 12
What is 8 ?
Solve
z/6 - 8 = 2
What is 60?
a symbol, typically a letter, that represents an unknown value
A Variable
What is the sum of 3 times a and b
3a + b
The opposite of addition
What is subtraction?
-2a+11=35
What is -12?
5m-7=23
What is 6 ?
Solve
y/3 - 11 = 13
What is 72?
Solve
-y/9 - 4 = 5
What is -81 ?
contains numbers, operations and variables
algebraic expression
What is 3 less than five times a number?
5n - 3
The four basic operations
What are addition, subtraction, multiplication, and division?
Double Jeopardy!!!!!!!
-2r+39=65
-6k-5=43
What is -8 ?
Solve
-k/3 + 21 = 35
What is -21 ?
Solve
m/8 - 5 = 6
What is 88 ?
These words represent what math operation: divide, quotient, half, separated, split
Division
What is 5 less than twice a number?
2n+5
Double Jeopardy!!!!!!!
A number right in front of a variable is called?
12s+2=38
What is 3?
4j-71=29
What is 25 ?
Solve
-y/3 + 4 = -17
What is 63 ?
Solve
y/8 - 18 = -20
What is -16 ?
These words represent what operation: groups of, twice, double, of, product
multiplication
TrIpLe JeOpArDY!!!!!!!!!!
What is the quotient of a number a 4 minus 6
The opposite of division.
What is multiplication?
-8b+7=39
What is -4 ?
-3q-12=-30
What is 3 ?
Double Jeopardy!!!!!!!!!
Solve
-y/14 +20=23
-d/8 - 7 = -23
What is 128 ?
The number in front of a variable that tells you how many variables you are adding together:
Coefficient
What is twelve less than triple a number?
3x-12