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Fun with the pocket calculator

Module by: Siyavula Uploaders. E-mail the author


Having Fun with Pocket Calculators and Negative Numbers



17. a) 5

b) -19

c) -10

d) 9

Leaner Section


ACTIVITY: Fun with the pocket calculator [LO 1.10]

17. Are the following true or false? If false, calculate the correct answer:

a) 4 + (-3) + 2 + 9 + (-2) + (-5)


b) 4 + (-3) + (-1) + (-7) + (-4)


c) 1 + (-5) + 2 + (-4) + (-3) + (-1)


d) -9 + (-2) + 11 + 13 + (-4)



Learning Outcome 1:The learner will be able to recognise, describe and represent numbers and their relationships, and to count, estimate, calculate and check with competence and confidence in solving problems.

Assessment Standard 1.10: We know this when the learner uses a range of strategies to check solutions and judges the reasonableness of solutions.

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