CTET Class I to V 2019 Dec Paper

Mapping is the creative process of organizing content and can be used in planning lessons, learning, individual and group work, developing mathematical literacy and fostering mathematical thinking.
Proportional reasoning is the ability to make comparisons between objects using multiplicative thinking instead of additive thinking.
Spatial thinking is thinking that finds meaning in the shape, size, orientation, location, direction or trajectory, of objects, processes or phenomena.