Algebra 1 1-4 Guided Practice: Properties of Real Numbers

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by Matthew Richardson

| 23 Questions1

2

Solve It! Tell whether the pair of expressions is equal.

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2

2

Solve It! Tell whether the pair of expressions is equal.

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3

2

Solve It! Tell whether the pair of expressions is equal.

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=

4

2

Solve It! Tell whether the pair of expressions is equal.

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=

5

2

Solve It! Tell whether the pair of expressions is equal.

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=

6

2

Solve It! Tell whether the pair of expressions is equal.

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=

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10

Take Note: Define equivalent expressions.

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Take Note: Provide an example of two equivalent expressions.

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Take Note: Describe the commutative properties of addition and multiplication.

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10

Take Note: Describe the associative properties of addition and multiplication.

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10

Take Note: Describe the identity properties of addition and multiplication.

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10

Take Note: Describe the zero property of multiplication.

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10

Problem 1 Got It?

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D

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10

Problem 1 Got It?

A

B

C

D

15

15

10

Problem 2 Got It?

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D

16

16

10

Problem 3 Got It?

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D

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10

Problem 3 Got It?

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10

Problem 3 Got It?

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10

Take Note: What is deductive reasoning?

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Take Note: What is a counterexample?

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Problem 4 Got It? Reasoning: Is the statement true or false? If it is false, give a counterexample. If true, use properties of real numbers to show the expressions are equivalent.

For all real numbers j and k, j⋅k = (k + 0) ⋅ j.

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10

Problem 4 Got It? Reasoning: Is the statement true or false? If it is false, give a counterexample. If true, use properties of real numbers to show the expressions are equivalent.

For all real numbers m and n, m(n + 1) = mn + 1.

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Take Note: Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?

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