1. Warm-up:
Write at least 2 expressions (a mathematical sentence) to represent each of these diagrams.
Hint: Think about using ( ) to represent groups
2. Announcements:
Write at least 2 expressions (a mathematical sentence) to represent each of these diagrams.
Hint: Think about using ( ) to represent groups
2. Announcements:
- Ch. 2 Benchmark Quiz tomorrow will include:
- Addition of integers (positive and negative)
- Portions webs (converting between decimals, fractions, percents)
- Win-a-Row tournament at lunch today! Starts promptly @ 12:25. Bring a friend.
3. Lesson 2.2.4 Multiplication as Repeated Addition
- Objectives:
- I will show multiplication as repeated addition using diagrams/pictures
- I will solve problems involving the Distributive Property
- Multiplying (making groups) using Integer Tiles
- 4(-2)
- 3(-3)
- 2(-4 + 3)
- 3(1 + (-2)) + -3
- Problems 74 through 76 in teams
- Mini-lesson: Distributive Property
- Problem 77 in teams
Homework: 2.2.4 R/P (answers in GC)