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Course by: Siyavula Uploaders. E-mail the author

To recognise, describe and use

Module by: Siyavula Uploaders. E-mail the author

EDUCATOR SECTION

Memorandum

1.1 last 0 falls away

each number moves 1 place to the right

1.2 last 2 naughts falls away

each number moves 2 places to the right

1.3 last 3 noughts falls away

each number moves 3 places to the right

1.4 last 4 noughts falls away

each number moves 4 places to the right

7.

 7.1 38 380 3 800 38 000 7.2 12 120 1 200 12 000 7.3 9 90 900 9 000 7.4 4 40 400 4 000 7.5 ½ / 0,5 5 50 500

Content

Activity: To recognise, describe and use [LO 1.12.1]

As with multiplication, there are particular rules for division by multiples of 10, that enable you to calculate answers in a flash – without using pencil and paper! You have to form groups of three learners for the following activity.

1. See if you can formulate rules for the following:

2. Division by 10: __________________________________________________

_______________________________________________________________

_______________________________________________________________

3. Division by 100: _________________________________________________

_______________________________________________________________

_______________________________________________________________

4. Division by 1 000: ________________________________________________

_______________________________________________________________

_______________________________________________________________

5. Division by 10 000: _______________________________________________

_______________________________________________________________

_______________________________________________________________

7. How quickly can YOU write down the answers to the following without using a calculator?

 NUMBER ÷ 10 000 ÷ 1 000 ÷ 100 ÷ 10 E.g. 560 000 56 560 5 600 56 000 7.1 380 000 ....................... ....................... ....................... ....................... 7.2 120 000 ....................... ....................... ....................... ....................... 7.3 90 000 ....................... ....................... ....................... ....................... 7.4 40 000 ....................... ....................... ....................... ....................... 7.5 5 000 ....................... ....................... ....................... .......................

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 1.12: We know this when the learner recognises, describes and uses:

1.12.1: divisibility rules for 2, 5, 10, 100 and 1 000.

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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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