“Numdrums have proved very useful and the children enjoy using them”
Whatfield School, Suffolk
"An inspired invention.....helping primary children get a firm grasp of number patterns"
Victoria Neumark, The TImes Educational Supplement
The Numdrum seems to knock down barriers that children may experience when getting to grips with addition and subtraction. . . Above all children actually enjoy using it."
Liz Pumfrey, NRICH, Cambridge Autumn 2002
"The most innovative number teaching tool we have seen for years"
www.mathmagic.org
“We find the children enjoy using them because the anxiety of where
to go at the end of the line (in the number square) has been 
removed”
Ruth Cullingworth, Year 3 teacher
“The lower ability children have found them much easier to use –
our only problem is collecting them at the end of the lesson because the
children are having too much fun to want to give them back!”
St. George's Middle School, Dersingham
We use Numdrums in our year 3/4 class. The children are very at ease with
them and enjoy using them. They are a very simple and effective aid to
number work.
J. Wood, (Head); Cookley & Walpole Primary School, Suffolk.
see more reviews at: http://www.atm.org.uk/reviews/equipment/numdrum.htm
Try this link for an american view of the state of numeracy and literacy
in the U.S.A. with some recommendations: www.xtreme-ed.com
Read what www.teacherled.com
have done with the Helical Numberline in electronic form
