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To use a series of techniques to perform calculations

Module by: Siyavula Uploaders. E-mail the author

MATHEMATICS

Number Concept

EDUCATOR SECTION

Memorandum

1.1 50 000 + 400 + 30 + 6

1.2 90 000 + 800 + 10 + 7

PUZZLE!

100 000

100 000; hundred thousand

Leaner Section

Content

ACTIVITY: To use a series of techniques to perform calculations [1.10.3]

1. Do you still remember what "expanded notation" is? Quickly explain it to a partner! Then look at the example and see whether you can write the following numbers in expanded notation:

e.g. 36 518 = 30 000 + 6 000 + 500 + 10 + 8

1.1 50 436 =

1.2 98 017 =

PUZZLE!

What number is 10 times larger than 10 000?

Fill in the missing answers:

9 + 1 = 10 ten

99 + 1 = 100 one hundred

999 + 1 = 1 000 one thousand

9 999 + 1 = 10 000 ten thousand

99 999 + 1 = __________________ __________________

  • Let us see if you were correct!
Table 1
Hundred thousand Ten thousand Thousand Hundred Ten One
HTh TTh Th H T U
10 × 10 × 10 × 10 × 10 10 × 10 × 10 × 10 10 × 10 × 10 10 × 10 10 1
3 1 8 5 2 6

We read 318 526 as three hundred and eighteen thousand five hundred and twenty six.

You were therefore correct if you said 100 000 (hundred thousand).

Assessment

Learning Outcome 1: The learner will be able to recognise, describe and represent patterns and relationships, as well as to solve problems using algebraic language and skills.

Assessment Standard 1.10: We know this when the learner uses a range of techniques to perform written and mental calculations with whole numbers including:

1.10.3: building up and breaking down numbers

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Definition of a lens

Lenses

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.

What is in a lens?

Lens makers point to materials (modules and collections), creating a guide that includes their own comments and descriptive tags about the content.

Who can create a lens?

Any individual member, a community, or a respected organization.

What are tags? tag icon

Tags are descriptors added by lens makers to help label content, attaching a vocabulary that is meaningful in the context of the lens.

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