Template:Subst;square roots

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Concept Map
Flash

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 $$m^2$$ has 2 squer roots, m;m and m example 9=$$3^2$$ or $$(-3)^2$$.thus both 3 and -3 or $$\sqrt9$$

= Textbook = 8 and 9 maths text books of Karnataka state To add textbook links, please follow these instructions to: ([ Click to create the subpage])

= 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 =

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

= Project Ideas =

= Fun corner =