Learning Goals:
Estimate using the significant digit rule.
Locate positive and negative numbers on a number line. 
Order positive and negative numbers.
Vocabulary: 
Significant digit rule 
Integer
Negative Integer
Positive Integer
Inverse Numbers
Class Resources: 
Chapter 1 Notes
Lesson 4
Lesson 6
Activities: 
Significant Digit Rule (Rounding)
Introduce Integers
Homework: 
Integers Worksheet (pg. 68)