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September 09, 2014
Grade 9 Math Squares and Square Roots Ø
General Outcome: To develop number sense
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Specific Outcome (1): Determine the square root of positive rational numbers that are perfect squares.
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Specific Outcome (2): Determine the approximate square root of positive rational numbers that are non­perfect squares.
Focus: Determine the square roots of decimals and fractions that are perfect squares
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A children's playground is a square with area 400m2.
What is the side length of the square?
How much fencing is needed to go around the playground?
September 09, 2014
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WORK WITH A PARTNER!
WORK WITH A PAIR!!
September 09, 2014
Untitled.notebook
September 09, 2014
WORK WITH A PARTNER!
WORK WITH A PAIR!!
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Untitled.notebook
September 09, 2014
Untitled.notebook
September 09, 2014
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September 09, 2014
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September 09, 2014
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September 09, 2014
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September 09, 2014
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Example:
a) List all the whole numbers from 1 to 100 that are perfect squares
b) Write a square root of each number that you listed in part a.
September 09, 2014
Untitled.notebook
September 09, 2014
Example:
Use your answers to the previous questions to determine the value of each square root
Untitled.notebook
Example:
a) List all the whole numbers from 101 to 400 that are perfect squares
b) Write a square root for each number you listed in part a
September 09, 2014
Untitled.notebook
September 09, 2014
Example:
Use your answers from the previous question to determine the value of each square root