Warm UP Convert 23 miles to feet. (5280 ft = 1 mi) Convert 120 lbs to kilograms. (0.454 kg = 1 lbs) Convert 6 feet to miles. (5280 ft = 1 mi) Convert 4 quarts to liters. (1 liter = 1.05 quarts) Convert 0.045 barrels to gallons. (73 gallons = 2 barrels) 121,440 feet 54.48 kg 0.00114 miles 3.8095 Liters 1.6425 gallons

MORE Warm UP 6. Convert 75 minutes to days. 7. Convert 46 inches to miles. (1 mi = 5280 ft) 0.05208 days 0.00072601 miles

Review HW

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

Identifying Parts Guided NOTES Definitions Identifying Parts Guided NOTES

Algebraic Expression Can have variables, numbers, addition, subtraction, multiplication, division, parenthesis, square roots, exponents… Examples:

Variable Symbols or letters used to represent an unknown Examples: 

Term How many items are being added, subtracted, divided Examples: 3 4

Like Terms Same variable raised to the same power Examples:

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

Exponent 3 1 4 The number up in the air next to a base The number of times you multiply something times itself Examples: 3 1 4

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

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

Factors 1 and 6…. Or 2 and 3 9 and x and y (x + 2) and (y – 3) Items that are being multiplied together Can be numbers, variables, parenthesis Examples: 1 and 6…. Or 2 and 3 9 and x and y (x + 2) and (y – 3) 3 and (z – 9)

Order of Operations -18 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

Translations

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 9x2

Translate 9 less than g to the fourth power g4 – 9

Eight increased by three times a number Translate 8 + 3x Eight increased by three times a number

Identifying Parts and Translating Expressions Practice CW/HW WORKSHEET Identifying Parts and Translating Expressions Practice