**Lesson Steps**:

the abstract science of number, quantity, and space, either as abstract concepts ( pure mathematics ), or as applied to other disciplines such as physics and engineering ( applied mathematics ).

**Answer**:

the abstract science of number, quantity, and space, either as abstract concepts ( pure mathematics ), or as applied to other disciplines such as physics and engineering ( applied mathematics ).

**Grade**: 5

**Level**: Middle school

**Subject**: Reading

**Topic**: Geometry