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Squares and Square Roots Objective: Students will be able to successfully multiply and simplify expressions using squares and square roots. Warm-Up Evaluate: 2 3 8 2 3 8 523 34 5 7

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Page 1: Squares and Square Roots Objective: Students will be able to successfully multiply and simplify expressions using squares and square roots. Warm-Up Evaluate:

Squares and Square Roots

Objective: Students will be able to successfully multiply and simplify expressions using squares and square roots.

Warm-UpEvaluate:

23

8

2

3

8

5 2 3 3 4 5

7

Page 2: Squares and Square Roots Objective: Students will be able to successfully multiply and simplify expressions using squares and square roots. Warm-Up Evaluate:

Squares and Square Roots

Definitions• What two “things” create real

numbers?o Rational numberso Irrational numbers

• Rational Number:o Positive and Negative Whole

Numberso Fractions (and decimals) that

terminateo Fractions (and decimals) that repeat

• Irrational Number:o A number that has a decimal that

doesn’t end and has no pattern.o π and e

• What is a perfect square?– A rational number that is created by

multiplying two of the exact same number

– Will always be positive!!

• What is a square root?– Stating the number that creates the

value underneath the root– Square roots can only be taken of

positive numbers!

• What is an imaginary number????o A number that can’t be calculated

or approximatedo i – what’s that?

Page 3: Squares and Square Roots Objective: Students will be able to successfully multiply and simplify expressions using squares and square roots. Warm-Up Evaluate:

Squares and Square Roots

Calculate the following:•

10

3

15

21

7

11

3210

Page 4: Squares and Square Roots Objective: Students will be able to successfully multiply and simplify expressions using squares and square roots. Warm-Up Evaluate:

Squares and Square Roots

• Homework:– Finish worksheet