Kirkby, David,  1943- <br/><br/>
Spectrum maths - number / 
Dave Kirkby. 6, Teacher's book. 
 - London :  Collins Educational,  1999. 
 - 96 p. :  ill. ;  30 cm. 
<br/><br/><label>ISBN: </label>0003127508 (spiral) :  £19.99 
<br/><br/><label>Nat. Bib. No.: </label>GBA025286  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)--Great Britain.<br/>Mathematics--Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>372.70440941