Course 3

4-5 Squares and Square Roots

RootsWeek 14

Course 3

4-5 Squares and Square Roots

Topic: Squares and Misconceptions

Complete this side only. List anything that you know about the above topic.

DO NOW (3 mins)PKB (Prior Knowledge Box)

Course 3

4-5 Squares and Square Roots

7NS 2.4 Students will find the square root of perfect squares and other integers.

STANDARD

Course 3

4-5 Squares and Square Roots

Huskies will be able to calculate perfect squares and estimate

where a square lies

Between.

OBJECTIVE

Course 3

4-5 Squares and Square Roots

Square root: One of the two equal factors of a number.

Squared: Another way to say raised to the second power.

Vocabulary

Course 3

4-5 Squares and Square Roots

Perfect square: A whole number that can be rewritten as the square of an integer.

Radical sign: The symbol, used to denote a square root.

Vocabulary (continued)

Course 3

4-5 Squares and Square Roots

Taking the square root of a number is the inverse of squaring the number.

62 = 36 36 = 6

Course 3

4-5 Squares and Square Roots

The numbers 16, 36, and 49 are examples of perfect squares. Other perfect squares include 1, 4, 9, 25, 64, and 81.

+ 16 = 4 – 16 = –4

Course 3

4-5 Squares and Square RootsExample: 1 Finding the Positive and Negative Square

Roots of a NumberFind the two square roots of each number.A. 49

B. 100

C. 225

Course 3

4-5 Squares and Square Roots

A. 25

Example 2

Find the two square roots of each number.

B. 144

C. 289

Course 3

4-5 Squares and Square RootsExample 6: Square Root of Non-Perfect Squares

The square root of 73 falls between which two

whole numbers? Which number is 73 closer to?

Course 3

4-5 Squares and Square Roots

Topic: Exponents Misconceptions

What did you think you knew but you found out was a misconception? If you didn’t have any prior knowledge, what did you learn/ review today?

Prior Knowledge Box (PKB)

Course 3

4-5 Squares and Square Roots

Collaborative- Faceing Exponent and Squares and Square Root Worksheet

Direct- Square Roots Practice Worksheet w/Ms. Ahumibe

Stations

Course 3

4-5 Squares and Square Roots

Name

Date

Period

Exit Slip-Square Roots