Warm up Five word prediction Predict the meanings

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Warm up Five word prediction. Predict the meanings of the following words: 1. Variable

Warm up Five word prediction. Predict the meanings of the following words: 1. Variable 2. Expression 3. Base 4. Constant 5. Factor.

EQ CCCA Unit 1 Why is it important to understand the “language” of mathematics?

EQ CCCA Unit 1 Why is it important to understand the “language” of mathematics?

Definition s Identifying Parts

Definition s Identifying Parts

Variable Symbols or letters used to represent an unknown quantity (amount) Examples:

Variable Symbols or letters used to represent an unknown quantity (amount) Examples:

Term Can be a number or variable, OR numbers and variables multiplied together Separated

Term Can be a number or variable, OR numbers and variables multiplied together Separated by addition or subtraction Examples: How many terms are in these expressions? 4 -16 x 3 B 3 xy 4

Exponent The number up in the air next to a base The number of

Exponent The number up in the air next to a base The number of times you multiply something times itself Examples: 3 12 4

Base What the exponent sits on The part that has been raised to a

Base What the exponent sits on The part that has been raised to a power Examples: 2 x y

Like Terms that have the same variable raised to the same power Examples:

Like Terms that have the same variable raised to the same power Examples:

Expressions vs. Equations Algebraic Expression A mathematical idea, or phrase Can have variables, numbers,

Expressions vs. Equations Algebraic Expression A mathematical idea, or phrase Can have variables, numbers, addition, subtraction, multiplication, division, parenthesis, square roots, exponents… Examples: Algebraic Equation A mathematical sentence An equation shows that two things are EQUAL (=) Equation

Coefficient The number in front of a variable Examples: 123 -9 1

Coefficient The number in front of a variable Examples: 123 -9 1

Constant A number that has no variable It can be positive or negative Examples:

Constant A number that has no variable It can be positive or negative Examples: -42 5 -8

Factors Numbers and/ or variables that are being multiplied together to get a product

Factors Numbers and/ or variables that are being multiplied together to get a product Examples: 1 and 6…. Or 2 and 3 3, 3, x, and y (x + 2) and (y – 3) 3 and (z – 9)

Order of Operations Simplify inside parenthesis Take care of exponents In order from left

Order of Operations Simplify inside parenthesis Take care of exponents In order from left to right, multiplication or division In order from left to right, addition or subtraction Examples: -18

Translation s

Translation s

Match the words with the operation Half Plus Triple More Than Difference To the

Match the words with the operation Half Plus Triple More Than Difference To the power of Sum Decreased Twice Less Than (swaps the order) Raised to a power Take away Increased Cubed Minus Quotient Product Divide by Double Add Times Together Square

Addition: Subtraction: Division: Exponents: Multiplication:

Addition: Subtraction: Division: Exponents: Multiplication:

ADDITION Sum Plus Add More Than Increased Together

ADDITION Sum Plus Add More Than Increased Together

SUBTRACTION Difference Minus Decreased Less Than (swaps the order) Take away

SUBTRACTION Difference Minus Decreased Less Than (swaps the order) Take away

DIVISION Quotient Half Divide by

DIVISION Quotient Half Divide by

MULTIPLICATION Product Twice Double Triple Times

MULTIPLICATION Product Twice Double Triple Times

EXPONENTS Square Cubed To the power of Raised to a power

EXPONENTS Square Cubed To the power of Raised to a power

Translate The sum of a number and 10 x + 10

Translate The sum of a number and 10 x + 10

Translate The product of 9 and x squared 2 9 x

Translate The product of 9 and x squared 2 9 x

Translate 9 less than g to the fourth power 4 g – 9

Translate 9 less than g to the fourth power 4 g – 9

Translate 8 + 3 x Eight increased by three times

Translate 8 + 3 x Eight increased by three times

HOMEWORKSHEET Writing an Expression Worksheet

HOMEWORKSHEET Writing an Expression Worksheet