click on this link ch- 17( Data handling) ,
Continue reading
click on this link CH – 18 ( PROBABILITY ) , class -7
click on this link Exercise-15B
click on this link Ex-15a
click on this link CH – 14 ( CONSTRUCTION ) , C -7
click on this link Ch – 9 ( percentage) , class -7
Click on this link—— ch -8, c -7( Ratio and proportion )
Click on this link—— Ch – 7 , class – 7 (linear equations)
click on this link ch – 6( algebraic expressions)
click on this link exercise-11b