Warm up Five word prediction Predict the meanings
- Slides: 26
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?
Definition s Identifying Parts
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 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 times you multiply something times itself Examples: 3 12 4
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:
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
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 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 to right, multiplication or division In order from left to right, addition or subtraction Examples: -18
Translation s
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 Sum Plus Add More Than Increased Together
SUBTRACTION Difference Minus Decreased Less Than (swaps the order) Take away
DIVISION Quotient Half Divide by
MULTIPLICATION Product Twice Double Triple Times
EXPONENTS Square Cubed To the power of Raised to a power
Translate The sum of a number and 10 x + 10
Translate The product of 9 and x squared 2 9 x
Translate 9 less than g to the fourth power 4 g – 9
Translate 8 + 3 x Eight increased by three times
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