Abstract notation

[Jignesh77]

. At Swanage Primary we believe that the best approach is to always start with practical apparatus before moving onto pictorial representations and abstract written notation
Fractions | Swanage Primary School
Please explain the meaning "abstract" in "abstract notation"

 

[Barque]

Have you checked the dictionary?

 

[Jignesh77]

Abstract - Definition for English-Language Learners from Merriam-Webster's Learner's Dictionary
Is it no 1?
But
2 also fits here.

 

[Andygc]

Fractions can be demonstrated in a concrete way by cutting up lumps of dough or by drawing pictures. The normal notation of fractions, using numbers, is an abstract representation of those concrete demonstrations.

Their maths department might be good, but their English department needs a shake-up.

we use a wide range of equipment and every day materials

 

[Andygc]

Abstract - Definition for English-Language Learners from Merriam-Webster's Learner's Dictionary
Is it no 1?
But
2 also fits here.

No it doesn't.

Collins in the Wordreference dictionary

"having no reference to material objects or specific examples; not concrete"