Difference between revisions of "Template:Subst;square roots"

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we have <math>m^2</math>=mxm or (-m)x(-m)=<math>(-m)^2</math> thus <math>m^2</math> has 2 square roots, m;m and m example 9=<math>3^2</math> or <math>(-3)^2</math>.thus both 3 and -3 or <math>\sqrt9</math>
 
we have <math>m^2</math>=mxm or (-m)x(-m)=<math>(-m)^2</math> thus <math>m^2</math> has 2 square roots, m;m and m example 9=<math>3^2</math> or <math>(-3)^2</math>.thus both 3 and -3 or <math>\sqrt9</math>
 
[[File:square number.png|200 px|left]]      <br>    This shows pictorial representation of squares and  square roots
 
[[File:square number.png|200 px|left]]      <br>    This shows pictorial representation of squares and  square roots
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Revision as of 08:44, 4 September 2013

The Story of Science

Philosophy of Science

Teaching of Science

Curriculum and Syllabus

Topics in School Science

Textbooks

Question Bank

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Concept Map

Error: Mind Map file SQUARE ROOTS .mm not found


square root

Suppose N is a natural number such that N= . The number M is called square root of M we have =mxm or (-m)x(-m)= thus has 2 square roots, m;m and m example 9= or .thus both 3 and -3 or

Square number.png


This shows pictorial representation of squares and square roots







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

In this text book contains activities for students to understand square and square root NCERT 8th std maths text book of chapter 6

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

Project Ideas

Fun corner