Eng S Jama is an experienced electronics engineer turned an educational tutor and a self-published author.
Fractions Visually is for 'children who think fractions are not fun' and 'grown-ups who have never found the best visual resources to master basic maths fractions'.
Ages 5-11, Year groups 1-6 and Key Stages 1-2.
Or internationally equivalents in primary curriculum (infants and junior schools).
Hint for 'differentiated' learning and teaching selection:
Below expectations (low ability, slow learners, special educational needs/SEN/SEND) start with colouring workbooks and colour paperbacks.
At level expected (average ability etc) try B&W paperbacks and colour workbooks.
Beyond expectations/exceptional performance (high ability, gifted and talented) go for
Also colour eBooks (Kindle & ePUB) for everyone.