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This module is included inLens: Siyavula: Mathematics (Gr. 7-9)
By: Siyavula

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# Fun with the pocket calculator

Module by: Siyavula Uploaders. E-mail the author

17. a) 5

b) -19

c) -10

d) 9

## Content

### 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)

___________________________________________________________

## Assessment

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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A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organizations and people you trust.

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