Powers
What number is the base?
52
5
What is the coefficient?
8y + 7
8
x + 7 when x = 10
17
What is a variable?
A letter that represents an unknown number or unknown amount.
Write an expression for the following statement:
a number divided by 3
n ➗ 3
What is the Exponent?
52
2
What is the definition of coefficient?
A number that is in front of (multiplied by) the variable.
x2 - 5 when x = 10
95
What is a product?
Answer to a multiplication problem
Write an expression for the following statement:
15 multiplied by 4 plus a number
15 ᐧ 4 + n
Evaluate the power.
23
8
How many terms are in this expression?
15x + 7y - 10
3
(5 - x) + 7.5 - 2 when x = 4
6.5
What is a sum?
Answer to an addition problem
Elizabeth went to the grocery store. She wanted to buy bags of takis for her friends. Each bag of takis costs $9.50 each. Write an expression to represent the total amount of money she will need at the grocery store if she buys "T" bags of takis.
$9.50T
Evaluate the power.
43
64
What is the definition of term?
A term can be a variable, a number, or both a variable and number that are together (being multiplied)
4(15 - x) + 7 when x = 12
19
What operation does "difference" mean?
Subtraction
Lauren has 125 pieces of candy. She wants to split them into groups to give to her friends. Write an expression to determine how much candy would go into each group if she has "F" friends.
125 ➗F
How do you read the following:
72
7 to the power of 2
or
7 squared
What is the difference between an algebraic and numeric expression?
An algebraic expression includes at least one variable. A numeric expression only includes numbers
(x2 - 5.5 + 4) + x2 when x = 10
190.5
What is a quotient?
Answer to a division problem
Jason has saved $200 over the summer. He plans to go to the store to buy new shoes. How much money will he have left once he spends "S" dollars on shoes?
$200 - S