##
* *Reflection: Lesson Planning
Multiplying and Dividing Integers - Section 2: Explore

I am really glad that I used expressions for the table challenge. Substituting values in an expressions is an important algebraic skill, and I find that kids often do not understand the way that expressions are written - and thus do not simplify them correctly. In this particular activity, I was able to clear up misconceptions on a term like "-a", when a = -2. They were able to get the kinks out in terms of having a - - 2, and that led to greater success (well fewer questions at least) on the homework!

*Delivery Reflection*

*Lesson Planning: Delivery Reflection*

# Multiplying and Dividing Integers

Lesson 19 of 23

## Objective: Students will be able to mulitply and divide integers.

#### Launch

*10 min*

**Opener: **As students enter the room, they will immediately pick up and begin working on the opener. Please see my instructional strategy clip for how openers work in my classroom (**Instructional Strategy - Process for openers**). This method of working and going over the opener lends itself to allow students to construct viable arguments and critique the reasoning of others, which is **mathematical practice 3**.

**Learning Target: **After completion of the opener, I will address the day’s learning targets to the students. In today’s lesson, the intended target is, “I can multiply and divide integers.” Students will jot the learning target down in their agendas (our version of a student planner, there is a place to write the learning target for every da

*expand content*

#### Explore

*55 min*

Multiplying and Dividing Integers Notes: Multipying and Dividing Integers Explore Narrative

Instructional Strategy - How do table challenges work?: For today’s table challenge I am going to have students complete multiplication and division of integers through evaluating expressions. The challenge utilizes the multiple choice feature of the smartboard. I will give the students the values of a, b and c prior to the challenge, and then each question will ask that they perform operations on those values. For this challenge, I will pull cards labeled 1-8 to determine which table (1-8) answers which question. As with all work with signed numbers, students will need to be precise with their calculations (**mathematical practice 6**). This activity also poses the questions in a new format (expressions) so students will need to persevere with problem solving to get them answered correctly (**mathematical practice 1**).

*expand content*

#### Summarize + Homework

*5 min*

**Tic Tac Toe: **To summarize this lesson, I am going to ask students to discuss at their tables how they could arrange 3 positives and 6 negatives on a tic tac toe board such that every possible three in a row represents the multiplication and division sign rules. I will instruct tables to stand when they have the solution, and I will have the first table up to present it to the class.

**Homework:** I will pass out the homework assignment so that students have a moment to look it over before leaving class. Philosophy on Homework

*expand content*

##### Similar Lessons

Environment: Urban

###### Hershey Bar Fraction Review

*Favorites(3)*

*Resources(10)*

Environment: Suburban

###### Multiplying and Dividing Signed Numbers

*Favorites(30)*

*Resources(19)*

Environment: Urban

- UNIT 1: Introduction to Mathematical Practices
- UNIT 2: Proportional Reasoning
- UNIT 3: Percents
- UNIT 4: Operations with Rational Numbers
- UNIT 5: Expressions
- UNIT 6: Equations
- UNIT 7: Geometric Figures
- UNIT 8: Geometric Measurement
- UNIT 9: Probability
- UNIT 10: Statistics
- UNIT 11: Culminating Unit: End of Grade Review

- LESSON 1: Integers and Absolute Value - Are two steps forward and two steps back the same thing?
- LESSON 2: Modeling Addition - Opposites Attract, You Know?!
- LESSON 3: Integer Addition Word Problems - Can You Picture It? (Two Day Lesson)
- LESSON 4: Adding Integers - What's the Rule?
- LESSON 5: Multiple Addends - More than 2 numbers to add?
- LESSON 6: Adding Integers Review
- LESSON 7: Adding Integers Test
- LESSON 8: Subtracting Integers - How does subtraction relate to addition?
- LESSON 9: Subtracting Integers Practice - Can you subtract more than two integers?
- LESSON 10: Addition and Subtraction of Integers - DOMINOES!
- LESSON 11: Adding and Subtracting Integers - Real World Applications
- LESSON 12: Adding and Subtracting Integers - REVIEW!
- LESSON 13: Adding and Subtracting Integers Test
- LESSON 14: Adding and Subtracting Signed Fractions - Remember Those Integer Rules!
- LESSON 15: Adding and Subtracting Signed Fractions Fluency Practice
- LESSON 16: Adding and Subtracting Signed Decimals - Line Up Those Points!
- LESSON 17: Adding and Subtracting Rational Numbers - Practice Makes Perfect!
- LESSON 18: Adding and Subtracting Rational Numbers - Test
- LESSON 19: Multiplying and Dividing Integers
- LESSON 20: Multiplying and Dividing Rational Numbers
- LESSON 21: Problem Solving with Rational Numbers
- LESSON 22: Fractions to Decimals - Terminate or Repeat?
- LESSON 23: Rational Number Unit Test