Expressions & Variables
Powers & Exponents
Vocabulary
Adding & Subtracting Integers
Multiplying & Dividing Integers
100
Evaluate the following expression when n = 4. 24 / n = ?
6
100
Write the following product using an exponent. 13 x 13 x 13 x 13 = ?
13 to the 4th power
100

Definition of Expression:______________________

A mathematical statement that has terms separated by math operations.

100
Find the sum or difference. -13 + (-16) = ?
-29
100
Find the product or quotient. -12 x 6 = ?
-72
200
Evaluate the following expression when a = 4 and c = 16. ac = ?
64
200
Write the following product using an exponent. n x n x n x n x n x n = ?
n to the 6th power
200

Definition of Variable:______________________

A Letter or symbol that represents a value that can change.

200
Find the sum or difference? -42 + (19) = ?
-23
200
Find the product or quotient. 42 / -6
-7
300
Evaluate the following expression when y = 18 and z = 7. z - y = ?
-11
300
Write the following power as repeated multiplication. Then evaluate the power. 5 to the 4th power
5 x 5 x 5 x 5 625
300

What are the rules for adding Real Numbers:_______

1) Same Signs: Add the numbers together and keep the sign that they have in common.

2) Different Signs: Take the difference of the two numbers and keep the sign of the larger number in absolute value.

300
Find the sum or difference. -13 - 24 = ?
-37
300
Find the product or quotient. -64 / -16 = ?
4
400
Evaluate the expression 4 x d when d = 120 to find about how many tons of food a blue whale eats in a feeding season of 120 days.
480 tons
400
Write the following power as repeated multiplication. Then evaluate the power. 3 to the 3rd power
3 x 3 x 3 27
400

What are the rules for subtracting Real Numbers:

1) Use the Additive Inverse (Keep-Change-Change)

2) Follow the two rules for adding Real Numbers.

400
Find the sum or difference. 37 - (-40) = ?
77
400
Find the product or quotient. -13 x -8 = ?
104
500
You can evaluate the expression 50 - d to find the amount you have left on a $50 gift card after you have spent d dollars. Find the amount left after you have spent $18.
$32
500
Evaluate the following expression when k = 6. k to the 3rd power
216
500

List the hierarchy for the Real Number System. Give the associated symbol for each category too.

(R) Real Numbers

(Q) Rational Numbers                 Irrational Numbers

(Z) Integers

(W) Whole Numbers

(N) Natural Numbers

500
Find the sum or difference. -72 - (-90) = ?
18
500
Find the product or quotient. 645 / -15 = ?
-43
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