विस्तार कार्यक्रम नियोजन (extension programme planning) की व्यवस्थित रूप से संरचित प्रक्रिया में, 'तथ्यों का संग्रह' (Collection of facts) किस चरण का प्रतिनिधित्व करता है?

'Developing an understanding about patterns is considered essential for teaching algebra'. Which of the following represents the correct reason for the given statement?

Which among the following is/are the purpose of formative assessment? (a) Making assessment a part of teaching. (b) Ranking and placement of children. (c) Providing feedback to the children.