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1_1 Perfect square and roots Day 2.notebook 1 October 23, 2014 You Try!!!! For each area of a sqaure find the length of its side 1) 2) 3) 4) **Find the square root

1 1 Perfect square and roots Day 2.notebookmath.mvhs.nbed.nb.ca/K. Sears/documents/1... · 2014. 10. 23. · 1_1 Perfect square and roots Day 2.notebook 9 October 23, 2014 Identifying

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Page 1: 1 1 Perfect square and roots Day 2.notebookmath.mvhs.nbed.nb.ca/K. Sears/documents/1... · 2014. 10. 23. · 1_1 Perfect square and roots Day 2.notebook 9 October 23, 2014 Identifying

1_1 Perfect square and roots Day 2.notebook

1

October 23, 2014

You Try!!!!

For each area of a sqaure find the length of its side

1) 2) 3) 4)**Find the square root

Page 2: 1 1 Perfect square and roots Day 2.notebookmath.mvhs.nbed.nb.ca/K. Sears/documents/1... · 2014. 10. 23. · 1_1 Perfect square and roots Day 2.notebook 9 October 23, 2014 Identifying

1_1 Perfect square and roots Day 2.notebook

2

October 23, 2014

October 23Introduction to High School Math

WARM UP

Determine the Area of the Shaded Squares

a) b)

Find the square root of the following:

a)    1                                 b)    121                           c)  36     144                                       81

Page 3: 1 1 Perfect square and roots Day 2.notebookmath.mvhs.nbed.nb.ca/K. Sears/documents/1... · 2014. 10. 23. · 1_1 Perfect square and roots Day 2.notebook 9 October 23, 2014 Identifying

1_1 Perfect square and roots Day 2.notebook

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October 23, 2014

Homework Solutions

1) 2) 3) 4)

Find the length of the side of a sqaure whose areas are the following:

Page 4: 1 1 Perfect square and roots Day 2.notebookmath.mvhs.nbed.nb.ca/K. Sears/documents/1... · 2014. 10. 23. · 1_1 Perfect square and roots Day 2.notebook 9 October 23, 2014 Identifying

1_1 Perfect square and roots Day 2.notebook

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October 23, 2014

Homework Solutions

3a)  1          3b)  3           3c)  4       2                 4                 5

4)a)  Perfect Square Numbers:  1 , 4 , 9, 16, 25, 36, 49, 64, 81, 100

4)b)  √1 = 1   √4 =2  , √9 = 3, √16 = 4 , √25 = 5, √36 = 6, √49 = 7,  √64 = 8, √81 = 9, √100 = 10

6)a) Perfect Square Numbers:  121, 144 , 169, 196, 225, 256, 289,       324, 361, 400

6)b) √121 = 11, √144 = 12, √169 = 13, √196 =14, √225= 15,√256 =16, √289 = 17, √324 = 18, √361 = 19, √400= 20

Page 5: 1 1 Perfect square and roots Day 2.notebookmath.mvhs.nbed.nb.ca/K. Sears/documents/1... · 2014. 10. 23. · 1_1 Perfect square and roots Day 2.notebook 9 October 23, 2014 Identifying

1_1 Perfect square and roots Day 2.notebook

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October 23, 2014

Calculate the number whose square root is       

Basically what is the area????

Page 6: 1 1 Perfect square and roots Day 2.notebookmath.mvhs.nbed.nb.ca/K. Sears/documents/1... · 2014. 10. 23. · 1_1 Perfect square and roots Day 2.notebook 9 October 23, 2014 Identifying

1_1 Perfect square and roots Day 2.notebook

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October 23, 2014

This square is  sqaure units

Solutions

=So    is the square root of 

Page 7: 1 1 Perfect square and roots Day 2.notebookmath.mvhs.nbed.nb.ca/K. Sears/documents/1... · 2014. 10. 23. · 1_1 Perfect square and roots Day 2.notebook 9 October 23, 2014 Identifying

1_1 Perfect square and roots Day 2.notebook

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October 23, 2014

Calculate the number whose square root is :

1)  2) 3) 1.5

You Try!!!

Page 8: 1 1 Perfect square and roots Day 2.notebookmath.mvhs.nbed.nb.ca/K. Sears/documents/1... · 2014. 10. 23. · 1_1 Perfect square and roots Day 2.notebook 9 October 23, 2014 Identifying

1_1 Perfect square and roots Day 2.notebook

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October 23, 2014

To Determine if a Fraction is a Perfect Square

BOTH Numerator and Denominator MUST be Perfect Square Numbers

***Simplify fractions first ***

Is each fraction a perfect square? Explain

a) b)c)

Page 9: 1 1 Perfect square and roots Day 2.notebookmath.mvhs.nbed.nb.ca/K. Sears/documents/1... · 2014. 10. 23. · 1_1 Perfect square and roots Day 2.notebook 9 October 23, 2014 Identifying

1_1 Perfect square and roots Day 2.notebook

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October 23, 2014

Identifying Decimals that are Perfect Squares

Method 1 Method 2

1.44

Write the decimal as a fraction

Simplify the fraction. Divide the numerator and denominator by 4.

1.44 =

=  X

THUS 1.44 is a perfect square

Use a Calculator.

Use the square root button 

1.44 =  1.2

Since the sqaure root is a terminating decimal then 1.44 is a perfect square.

Page 10: 1 1 Perfect square and roots Day 2.notebookmath.mvhs.nbed.nb.ca/K. Sears/documents/1... · 2014. 10. 23. · 1_1 Perfect square and roots Day 2.notebook 9 October 23, 2014 Identifying

1_1 Perfect square and roots Day 2.notebook

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October 23, 2014

Class/Homework

3 ­ 12  13 ­ 17Page 11 ­ 12

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1_1 Perfect square and roots Day 2.notebook

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October 23, 2014

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1_1 Perfect square and roots Day 2.notebook

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October 23, 2014

Page 13: 1 1 Perfect square and roots Day 2.notebookmath.mvhs.nbed.nb.ca/K. Sears/documents/1... · 2014. 10. 23. · 1_1 Perfect square and roots Day 2.notebook 9 October 23, 2014 Identifying

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October 23, 2014