CTET Class I to V 5 Jan 2022 Paper

Following three statements have been given in the context of teaching numbers to students of early primary classes:
(a) Encourage students to think about number and quantities of objects when these are meaningful to them
(b) Encourage students to learn counting by recalling number names
(c) Encourage students to make sets with movable objects
Which of the above statement(s) is/are correct?