Mrs. Barr 7th Grade Math

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Important Facts about PreAlgebra

The year is broken into four units.

Unit 1 Algebra Concepts           
 
  • integers
  • algebraic expressions
  • absolute value
  • coordinate plane
  • properties
  • order of operations
  • combining like terms
  • evaluating expressions
  • solving equations and inequalities
  • graphing inequalities
  • slope of a line

 
 
Unit 3 Geometry           
 
  • perimeter
  • area
  • irregular area
  • surface area
  • volume
  • parallel lines and perpendicular line
  • angles 
  • congruence
  • triangles
  • polygons
  • finding missing angles and sides
  • square roots
  • pythogorean theorem

Unit 2  Basic Skills           
 
  • scientific notations
  • prime factorization
  • LCM and GCF
  • rounding and estimating
  • percents
  • decimals
  • fractions
  • simple and compound interest
  • tax, tip, and discount

 

 
 
Unit 4 Probability and Statistics         
 
  • mean, median, mode and range
  • box and whisker
  • stem and leaf
  • independent probability
  • dependent probability
  • fundamental counting principle
  • permutations
  • combinations
  • scatter plots

 

 

 

Grading Procedures
 
Homework is given Monday through Thursday nights.  Each assignment is worth 10 points.
 
All work must be shown for credit. (Zero points for answers only.)  If an assignment is turned in late it will receive late credit of 6 points.
 
Weekly quizzes will range from 20-60 points. Quizzes should always be done in pencil.
 
There is one multiple choice district unit exam that corresponds with each of the four units.