Let's do Mathematics :  Learner's book Grade 5/ 
Martin Ng'ang'a, Catherine Kiyiapi, Maurice Aketch, Peter Kahoro. 
 - 1st ed.  2020 
 - Nairobi :  OXFORD ,  2020. 
 - 173 p, ; 
<br/><br/><label>ISBN: </label>9780195749076 
<br/><br/><label>Dewey Class. No.: </label>372.510