## Quiz Quiz Trade.wmv - Section 6: Quiz-Quiz-Trade

# Working with the Properties!

Lesson 7 of 14

## Objective: SWBAT understand how to use the properties (Commutative, Associative, Identity).

*85 minutes*

#### DO NOW - Who's Related

*20 min*

The students will be applying their understanding of writing expressions to the problem called. “Who’s related”. I’m looking for students to apply their understanding of writing expressions and evaluating expressions to solve problems involving the age and weights of certain family members**(SMP 1).** It will be important to encourage students to write the expression to represent what the numbers are saying **(SMP 2).** By writing the expression, students should be able to substitute and solve. This activity can also be re-used when teaching about solving equations.

I’m anticipating that the first few expressions may be difficult for students to write as they involve 2 steps. Have students circle the key words and then write the expression. Connect the terms with the appropriate operation. **(SMP 2)** Struggling students should be encouraged to use their notes.

As students finish working, have them partner up with other students that are done to go over solutions and strategies. **(SMP 3).**

Tools: Who’s related worksheet

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I will begin by showing the students what the commutative property means both numerically and algebraically. Then they will be looking at a word problem that will show them changing the order did not change the amount collected. **(SMP 3).** Students have a difficult time remembering what each property means so I am making connections for them through use of common vocabulary and through connecting it to real world scenario. For the commutative property, I like to tell the students that it’s like our school community. No matter which way you look at the group, the order doesn’t matter and the group is still the same. **(SMP 2)** This discovery approach should assist in making the terms more meaningful.

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Students will again see what the associate property means and how it is connected to real life. For the associative property, I tell the students that we sit in groups at our table. If I group you in pairs, your table groupings remain the same no matter which pairs I use. (**SMP 2)**

#### Resources

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For this property, I couldn’t find a meaningful, real life scenario. So what I did was show them through expressions how the identity property works. I ask the students if they have ever heard of the word “identity” and what does it mean. They will come up with several answers, but I focus on the one that means “self”. I make the connection to it by telling them that the identity property wants to get its number back. Then I ask, what number can we multiply by to get our number back? (1) What number can I add that will get my number back? (0). Then I will have students look at several expressions to find the missing value. The expressions are written in different formats so students see that not all equations look the same, but can be solved the same way. **(SMP 2)**

#### Resources

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#### Independent Practice

*10 min*

Have the students do a **think-pair-share** to go over the independent practice problems. I chose multiple choice because I wanted the students to make the connection between the vocabulary and its meaning **(SMP 6). **When students go over their solutions, have them share how they know their answer is correct. Each partner will take turns sharing their solutions **(SMP3).**

#### Resources

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#### Quiz-Quiz-Trade

*15 min*

I like Quiz Quiz Trade because it incorporates mathematical **practice #6**, saying exactly what I mean. Both partners take part in MP6. The partner that is answering the question has to decide what property is being used. If they get stuck, the person holding the card has to give them a tip. I call this tip, tip, tell. **(SMP 3)** Once students quiz each other, they trade cards and move on to another person using the **HUSUPU.**

This activity is in power point because I thought it would be easy to print the slides and laminate them to re-use another time.

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#### Closure

*10 min*

Students will write in their notes about the following questions. Reflection is a good way for the students to assess their understanding of what they learned.

Have students use an example to explain why the order of adding or multiplying two numbers does not change the result. **(SMP 3)**

Use an example to explain why grouping numbers in different ways does not change the result of addition or multiplication.**(SMP 3)**

Give justification of the commutative Rule of Multiplication using the array model **(SMP 3 and 4)**

Have students explain why the Commutative Property does not apply to subtraction or division. **(SMP 3)**

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Could I also please get the properties power point? Â Thanks so much. Â I feel like I should send you a gift certificate or something! Â Pam

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- LESSON 1: Exploring Exponents
- LESSON 2: Learning About the Orders of Operations
- LESSON 3: Orders of Operations - Stations
- LESSON 4: What is Algebra?
- LESSON 5: Evaluating Expressions and Not the Emotional Kind!
- LESSON 6: Writing Expressions the Right Way!
- LESSON 7: Working with the Properties!
- LESSON 8: Area and Expressions
- LESSON 9: Exploring the Distributive Property
- LESSON 10: Are We Alike?
- LESSON 11: Expressions in the Real World
- LESSON 12: Review 6.EE.1, 6.EE.2, 6.EE.3, and 6.EE.4
- LESSON 13: Assessment Day!
- LESSON 14: Deepening our understanding