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1.1.notebook 1 October 16, 2018 Sep 279:05 PM Oct 158:14 PM A perfect square is the product of a RATIONAL NUMBER multiplied by itself The number that was originally multiplied by itself is called the square root of the perfect square. Example: 30 x 30 = 900 this means 900 is a perfect square √900 = 30
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1.1.notebook - Ms. Nordstrom's Coursesnordstromsjhs.weebly.com/.../1.1_square_roots_and_perfect_squares.pdf · root of the perfect square. Example: 30 x 30 = 900 this means 900 is

Mar 11, 2020

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Page 1: 1.1.notebook - Ms. Nordstrom's Coursesnordstromsjhs.weebly.com/.../1.1_square_roots_and_perfect_squares.pdf · root of the perfect square. Example: 30 x 30 = 900 this means 900 is

1.1.notebook

1

October 16, 2018

Sep 27­9:05 PM

Oct 15­8:14 PM

A perfect square is the product of a RATIONAL NUMBER multiplied by itself

The number that was originally multiplied by itself is called the square root of the perfect square.

Example: 30 x 30 = 900   ­ this means 900 is a perfect square

√900 = 30

Page 2: 1.1.notebook - Ms. Nordstrom's Coursesnordstromsjhs.weebly.com/.../1.1_square_roots_and_perfect_squares.pdf · root of the perfect square. Example: 30 x 30 = 900 this means 900 is

1.1.notebook

2

October 16, 2018

Oct 15­8:08 PM

What are the perfect squares (and their square roots) between 1 and 625?

1 x 1 = 11 1Square Root Perfect Square

2 x 2 = 42 4

Oct 15­8:12 PM

√25  =  5

Is this the ONLY answer? Are there any other numbers that multiplied by themselves give 25?

Page 3: 1.1.notebook - Ms. Nordstrom's Coursesnordstromsjhs.weebly.com/.../1.1_square_roots_and_perfect_squares.pdf · root of the perfect square. Example: 30 x 30 = 900 this means 900 is

1.1.notebook

3

October 16, 2018

Sep 27­9:27 PM

Sep 27­9:23 PM

Page 4: 1.1.notebook - Ms. Nordstrom's Coursesnordstromsjhs.weebly.com/.../1.1_square_roots_and_perfect_squares.pdf · root of the perfect square. Example: 30 x 30 = 900 this means 900 is

1.1.notebook

4

October 16, 2018

Oct 16­11:44 AM

Sep 27­9:26 PM

Page 5: 1.1.notebook - Ms. Nordstrom's Coursesnordstromsjhs.weebly.com/.../1.1_square_roots_and_perfect_squares.pdf · root of the perfect square. Example: 30 x 30 = 900 this means 900 is

1.1.notebook

5

October 16, 2018

Oct 15­8:50 PM

Application ­ the AREA of a square is defined as the amount of space contained inside the sides of the square

AREA

side length

The area can also be described as a PERFECT square whose square root is the SIDE LENGTH of the square

5 cm5x5 = 25 cm2

√Area = Side Length

Oct 15­8:55 PM

A square garden is 25 feet long. 

a) What is the area of the garden?

b) How many feet of fence would you need if you wanted to surround the entire garden?

c) The chain link used to build a fence is sold in 12 foot rolls. If one roll costs $87, how much does it cost you to buy enough fence for your garden? You can NOT buy part of a roll.

BONUS: If you could buy part of a roll, how much would it cost you now to build your fence?

Page 6: 1.1.notebook - Ms. Nordstrom's Coursesnordstromsjhs.weebly.com/.../1.1_square_roots_and_perfect_squares.pdf · root of the perfect square. Example: 30 x 30 = 900 this means 900 is

1.1.notebook

6

October 16, 2018

Sep 27­9:31 PM

WORKSHEET

When giving square roots ­ please provide both the positive and negative answer

If you need more practice ­ Pg 11q: 3, 4, 5, 6, 7, 8