Metric Conversions and Properties of Equalilty Skill Check Metric Conversions and Properties of Equalilty

Homework Review

Definitions Identifying Parts

Algebraic Expression Examples: Can have variables, numbers, addition, subtraction, multiplication, division, parenthesis, square roots, exponents… Does NOT include an equals sign. Examples:

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

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

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

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

Translations

ADDITION Sum Plus Add More Than Increased

SUBTRACTION Difference Minus Decreased Less Than (swaps the order)

DIVISION Quotient Half Divide by

MULTIPLICATION Product Twice Double Triple

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 What about square the product of 9 and x? **So you need to read the wording carefully.**

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

Translate 8 + 3x Eight increased by three times x

x+(x+1)+(x+2)=90 3x+3=90 Translate The sum of three consecutive integers is equal to 90. x+(x+1)+(x+2)=90 3x+3=90

x+(x+2)+(x+4)=129 3x+6=129 Translate The sum of three consecutive odd integers is equal to 129. x+(x+2)+(x+4)=129 3x+6=129

w+(w+3)+w+(w+3)=54 w = 12 Translate The length of a rectangle is 3 inches more than the width. The perimeter of the rectangle is 54. Find the dimensions of the rectangle. w+(w+3)+w+(w+3)=54 w = 12

Translate x +(x+13)+(x+13+24)=224 W = A + 24 A = M + 13 M = x Ms. Wiggins has 24 more books than Ms. Acton. Ms. Acton has 13 more books than Ms. Merrill. If the three of them have 224 books in total, how many books do each of them have? W = A + 24 A = M + 13 M = x x +(x+13)+(x+13+24)=224

Last thing… Do you know how to set up an average problem??

Practice