http://rainforestmaths.com Select year 6.
http://www.bbc.uk/schools/gcsebitesize/maths/numberih/powersrev2.shtml
To practise with powers
http://www.math.com/school/subject1/lessons/S1U3L2GL.html To practice G.C.D. and L.C.M
http://rainforestmaths.com Select year 6.
http://www.bbc.uk/schools/gcsebitesize/maths/numberih/powersrev2.shtml
To practise with powers
http://www.math.com/school/subject1/lessons/S1U3L2GL.html To practice G.C.D. and L.C.M