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The Properties of Mathematics 1

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Warm Up OBJECTIVE: Students will be able to identify the properties of operations. Language Objective: Students will be able to recite the properties of operations. Agenda 2 Fill in the blanks with any operation: = = = 21 Careful… the last one is tricky! ) (

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Launch Agenda 3 Evaluate the following expressions in two different ways () (20) nd method nd method

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Explore: Marvin the Magician’s Cards 4 Agenda Marvin the Magician needs your help! He uses a deck of math cards for one of his tricks. However, only some cards are TRUE. Help Marvin find the TRUE cards. TRUE!FALSE! Examples

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5 Agenda 1 st : Determine which cards are true and false. Be sure to support your reasoning. Explore: Marvin the Magician’s Cards In your groups: 2 nd : For the true cards only, complete the worksheet provided.

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Summary: Definitions 6 Agenda Click on a card.

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Summary: Definitions 7 Agenda Changing the order of the numbers does not change the SUM. Commutative Property of Addition Let’s discuss the card: Click to Return Algebraically Key Words

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Summary: Definitions 8 Agenda Commutative Property of Multiplication Changing the order of the numbers does not change the PRODUCT. Let’s discuss the card: Click to Return Algebraically Key Words

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Summary: Definitions 9 Agenda Multiplying a number by 1 leaves it unchanged. Identity Property of Multiplication Let’s discuss the card: Click to Return Algebraically Key Words

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Summary: Definitions 10 Agenda Identity Property of Addition Let’s discuss the card: Adding a number by 0 leaves it unchanged. Click to Return Algebraically Key Words

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Summary: Definitions 11 Agenda When MULTIPLYING more than 2 numbers, the way we group them does not change the PRODUCT. Associative Property of Multiplication Let’s discuss the card: Click to Return Algebraically Key Words

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Summary: Definitions 12 Agenda Associative Property of Addition Let’s discuss the card: When ADDING more than 2 numbers, the way we group them does not change the SUM. Click to Return Algebraically Key Words

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Summary: Definitions 13 Agenda Multiplying a number by 0 is always 0. Zero Property of Multiplication Let’s discuss the card: Click to Return Algebraically

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Summary: Definitions 14 Agenda Associative Property of Addition Let’s discuss the card: When ADDING more than 2 numbers, the way we group them does not change the SUM. Click to Return Algebraically Key Words

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Summary: Definitions 15 Agenda Identity Property of Addition Let’s discuss the card: Adding a number by 0 leaves it unchanged. Click to Return Algebraically Key Words

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Summary: Definitions 16 Agenda Commutative Property of Multiplication Changing the order of the numbers does not change the PRODUCT. Let’s discuss the card: Click to Return Key Words Algebraically

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Summary: Definitions 17 Agenda When MULTIPLYING more than 2 numbers, the way we group them does not change the PRODUCT. Associative Property of Multiplication Let’s discuss the card: Click to Return Algebraically Key Words

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Summary: Definitions 18 Agenda Changing the order of the numbers does not change the SUM. Commutative Property of Addition Let’s discuss the card: Click to Return Algebraically Key Words

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Summary: Definitions 19 Agenda Multiplying a number by 1 leaves it unchanged. Identity Property of Multiplication Let’s discuss the card: Click to Return Algebraically Key Words

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Assessment- Exit Slip 20 Agenda 1.Evaluate the expression below. List the properties that you used. Associative Property Commutative Property 2. Which property of multiplication is shown? A.Commutative B.Associative C. Identity

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