Question 4 Mathematics is one of the most-if not the most-abstract subject-matter domains. a. Suggest ONE (1) class of cognitive tools that can help make learning mathematics more meaningful. Justify your answer. b. Identify ONE (1) technology that can be used as a cognitive tool for your answer in (a) to help learners make mathematics more meaningful. c. Justify why the technology is chosen based on its cognitive affordances. r(4 marks) d. Construct TWO (2) learning objectives (ABCD model) for incorporating the use of the technology as a cognitive tool. i. (4 marks) ii. e. Discuss TWO (2) implementation issues