Heinemann active maths Northern Ireland pupil book 1:  whole number/ 
by Peter Gorrie ... et al. 
 - Essex :  Pearson Education,  2012. 
 - 79 p. :  ill. 
<br/><br/><label>ISBN: </label>9780435077648 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics Arithmetic  
<br/><br/><label>Dewey Class. No.: </label>513