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Henrico County Public Schools, Virginia
 
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Module - Positive and Negative Numbers
Lesson 1 - Adding and Subtracting Integers

Lessons

1-

Adding and Subtracting Integers

2-

Adding and Subtracting Rational Numbers

3-

Multiplying Rational Numbers

4-

Dividing Rational Numbers

5-

Module Review

 

 
SOL

None

Common Core Standards
Warm-up
  1. Warm-up: Adding & Subtracting Integers using Activities (doc)
  2. Activity: Adding Integers on a number line (gsp)
  3. Activity: Subtracting Integers on a number line (gsp)
Lessons
  1. Notes: Adding and Subtracting Integers (ppt)
  2. Notes: Modeling Adding and Subtracting Integers (pdf)
  3. Song: Adding and Subtracting Rules (doc)
Videos
  1. Video: PH Classifying Numbers
  2. Video: PH Finding Absolute Value
  3. Video: PH Adding Rationals
  4. Video: PH Subtracting Rationals
Explore Learning

 

Geogebra

 

Internet Sites
  1. Interactive Notes: Adding and Subtracting with a Number Line - notes and workout problems at Math.com
  2. Interactive Notes: Adding and Subtracting Signed Numbers - lessons and practice problems at Regentsprep.org
  3. Interactive: Adding Integers - mathlet from GeoGebra
  4. Interactive: Subtracting Integers - mathlet from GeoGebra
  5. Interactive: Number Line Bounce - math manipulative that uses addition and subtraction on a number line at matti.usu.edu. Choose the Number Line Bounce icon from the list.
  6. Game: Puzzles - solve puzzles involving arranging numbers on a diagram so that they add up to a given value at matti.usu.edu. Choose Circle 0, Circle 99, or Number Puzzles from the list.
Tasks

 

Homework
  1. Worksheet: Number Line (doc) | (pdf)
  2. Worksheet: Add/Subtract Integers (doc) | (pdf)
  3. Reading Algebra Worksheet (doc) | (pdf)
  4. Glencoe PWS Number Line (pdf)
  5. Glencoe SG Number Line(pdf)
  6. Glencoe PWS Add/Subtract Integers (pdf)
  7. Glencoe SG Add/Subtract Integers (pdf)
Journal
  1. Adding and Subtracting Integers: State a general rule to determine the sign of a sum when you have two numbers with the same sign and two numbers with different signs. Give an example of each.
  2. Homework: Tell me why doing homework is important in Algebra.
Study Guide
  1. ExamView Quiz: Adding and Subtracting Integers
  2. Prentice Hall Quiz
Other
HCPS 2002-