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SQUARES AND SQUAREROOTS : SQUARES AND SQUAREROOTS INTRODUCTION

Slide 2 : WHAT IS THE AREA OF A SQUARE? ======= SIDE*SIDE WHAT IS THE VOLUME OF A CUBE? =========== SIDE*SIDE*SIDE If side=3cm volume= ? SIDE2 If side=5cm, area==5cm*5cm ==25cm2

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Slide 4 : Nos. 1,4,9,16 …..square nos So they are called PERFECT SQUARES

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Slide 7 : NUMBERS BETWEEN SQUARE NUMBERS

Slide 8 : ADDING ODD NUMBERS

Slide 9 : H.W FIND WHETHER EACH OF THE FOLLOWING NUMBERS IS A PERFECT SQUARE OR NOT 55 81 49 69 HOW MANY NON SQUARE NUMBERS LIE BETWEEN 1002 AND 1012