"Cognitive tools refer to technologies, tangible or intangible, that enhance the power of human beings during thinking, problem solving, and learning" (Jonassen \& Reeves, 1996, p. 693). a. List the FIVE (5) classes of cognitive tools. i. ii. iii. iv. v. b. Explain how EACH class of cognitive tools can enhance thinking, problem solving and learning. i. (4 marks) ii. (4 marks) iii. (4 marks) iv. (4 marks) v. (4 marks)