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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.notebook
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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
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:
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
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????
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
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!!!
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)
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.
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October 23, 2014
Class/Homework
3 12 13 17Page 11 12
1_1 Perfect square and roots Day 2.notebook
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October 23, 2014
1_1 Perfect square and roots Day 2.notebook
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October 23, 2014
1_1 Perfect square and roots Day 2.notebook
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October 23, 2014