Difference between revisions of "Template:Subst;square roots"
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<mm>[[SQUARE ROOTS .mm|Flash]]</mm> | <mm>[[SQUARE ROOTS .mm|Flash]]</mm> | ||
== squreroot == | == squreroot == | ||
| − | The | + | Suppose N is a natural number such that N=M^2 . The number M is called square root of M |
| + | we have m^2=mxm or (-m)x(-m)=(-m)^2 thus m2 has 2 squer roots, m;m and m example 9=3^2 or (-3)^2.thus both 3 and -3 or squer roots of 9 | ||
| + | [[File:square number.png|200 px|centre]] | ||
= Textbook = | = Textbook = | ||
Revision as of 21:57, 3 September 2013
| Philosophy of Science |
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Concept Map
Error: Mind Map file SQUARE ROOTS .mm not found
squreroot
Suppose N is a natural number such that N=M^2 . The number M is called square root of M
we have m^2=mxm or (-m)x(-m)=(-m)^2 thus m2 has 2 squer roots, m;m and m example 9=3^2 or (-3)^2.thus both 3 and -3 or squer roots of 9
Textbook
8 and 9 maths text books of Karnataka state
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Additional information
Useful websites
you can play with perfect square numbers from 1 to 1000 & play games with numbers please click here
To estimate the square root of a number click here
To play quiz on square root of a number click here
Reference Books
Teaching Outlines
Concept #
Learning objectives
1. Finding perfect square-numbers
2. Recognising perfect square-numbers in a given group of numbers
3. perfect square-number patterns
4. differentiating between perfect square-numbers & other numbers.
5. Finding square root of a perfect square number by prime facterisation and division method
6. Finding square root of a decimal number
Notes for teachers
Patterns & games of perfect square-number may be given to students
Activity No 1
On a paper make 3 columns like N , NxN & product .give some numbers under column N and students can fill the other 2 columns
- Materials/ Resources needed :- One white paper with 3 columns likeN , NxN &product.Pen or pencil to every student
- Prerequisites/Instructions, if any
- Multimedia resources
- Website interactives/ links/ simulations
- Process/ Developmental Questions
- Evaluation
- Question Corner