Whole Numbers (Pri5)/ Whole Numbers Bukit Panjang Primary School / Homework (2018) 
$\mathrm{From}\mathrm{the}\mathrm{table},\mathrm{notice}\mathrm{that}2\mathrm{squares}\mathrm{are}\mathrm{constant}\mathrm{at}\mathrm{the}\mathrm{bottom}\mathrm{for}\mathrm{all}:\phantom{\rule{0ex}{0ex}}42+2\phantom{\rule{0ex}{0ex}}82+6\phantom{\rule{0ex}{0ex}}142+12\phantom{\rule{0ex}{0ex}}222+20\phantom{\rule{0ex}{0ex}}\mathrm{So}\mathrm{No}\mathrm{of}\mathrm{Squares}=2+(P)(P+1),\mathrm{where}P\mathrm{is}\mathrm{Pattern}\mathrm{number}\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}a)\mathrm{No}\mathrm{of}\mathrm{Squares}=2+(99)(99+1)=9902\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}b)2+(P)(P+1)=602\phantom{\rule{0ex}{0ex}}(P)(P+1)=600\phantom{\rule{0ex}{0ex}}24(24+1)=600\phantom{\rule{0ex}{0ex}}P=24\left(\mathrm{ans}\right)\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}$
Comments
4
Aug 6, 2018 07:43 AM
We know (P)(P+1) by observing the sides of the rectangle above the 2
bottom constant squares.



