Perfect Squares and Square Roots
Haese Mathematics 1 - Chapter 4B, page 64
Embedded Files
Numbers Beyond School:
Numbers Beyond School:
You will use these skills in career aptitude testing, daily tasks such as cooking, cleaning, driving, distances, time etc
Success Criteria:
Success Criteria:
You will be able to:
Understand perfect squares and the operation of square root as the inverse
Find square numbers and the basic numeral
Calculate using the square and square root function
Perform basic operations using square and square root
Prior Knowledge:
Multiplication, factors
Key Vocabulary:
square root, square number, inverse, basic numeral
New Knowledge:
New Knowledge:
further notes and examples:
further notes and examples:
Examples:
Examples:
If the square of 15 is 225, then the square root of 225 is 15.
If 15² = 225 then √225 = 15 If 3² = 9 then √9 = 3
Any more?
Find the square root of each product
√2x2x2x2x13x13 = √(2x2x13) x (2x2x13) = 2x2x13 = 52
Find the basic numeral for
√25 = √5x5 = 5
√576 =
where 576 = (2x2x2x3)² = 24
Notes:
Square is the inverse of square root, inverse meaning the opposite operation that also cancels each other out (undoes)
Also used to transfer numbers from one side of an equation to another
Application Tasks:
Application Tasks:
Textbook Questions: Haese Mathematics 1 - Chapter 4B, every question
Differentiation:
Differentiation:
https://www.mathsisfun.com/square-root.html
Create your own strategies and explain to someone how it is done.
Use harder numbers or bigger numbers to work with
Additional Resources
Additional Resources
Google Sites
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