Which of the following is least desirable in a primary school mathematics classroom?

The correct option is "Solving algorithm-based questions from workbook".

To understand why this is the least desirable practice in a primary school mathematics classroom, let us analyze the educational impact of each option in the context of young learners:
1. Building linkages with real-life situations involving mathematical ideas: This is highly desirable. Connecting math to real-world experiences helps primary school students build concrete understanding, see the relevance of mathematics, and develop interest in the subject.
2. Including open discussions on problem solving in the classroom: This is highly desirable. Open discussions promote mathematical communication, reasoning, collaborative learning, and expose students to multiple ways of thinking and solving a single problem.
3. Encouragement of intuitive concepts in the classroom: This is highly desirable. Children often bring their own informal, intuitive mathematical understanding to school. Welcoming and building upon these intuitive ideas helps bridge the gap between concrete reasoning and formal mathematical concepts.
4. Solving algorithm-based questions from workbook: This is the least desirable option. While practicing procedures has a place, an overemphasis on rote workbook drill exercises focusing solely on algorithms leads to passive learning. It prioritizes memorizing steps over conceptual understanding, critical thinking, and mathematical reasoning, which is counterproductive for young children building their foundational mathematical identity.