Lesson 4: Signed Numbers
Duration of Days: 2
Lesson Objective
Student will successfully perform operations with positive and negative numbers.
What does a negative number mean?
How do we add and subtract negative numbers
How do we multiply and divide negative numbers
NA
Description: A deep dive into the rules for adding, subtracting, multiplying, and dividing positive and negative numbers. This section emphasizes the distinction between "subtraction" and "negative" signs.
Purpose: To eliminate the most common source of error in algebra—sign mistakes—by building computational fluency.
DOK Level: 2 (Skill/Concept)
Class and online work
Use practice problem 8 on page 23 to assess students' understanding of the lesson concepts