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# To recognise and classify numbers in order to describe and compare them

Module by: Siyavula Uploaders. E-mail the author

## Memorandum

INTRODUCTION

The learning programme for grade six consists of five modules:

1. Number concept, Addition and Subtraction

2. Multiplication and Division

3. Fractions and Decimal fractions

4. Measurement and Time

5. Geometry; Data handling and Probability

• It is important that educators complete the modules in the above sequence, as the learners will require the knowledge and skills acquired through a previous module to be able to do the work in any subsequent module.

COMMON AND DECIMAL FRACTIONS (LO 1; 2 AND 5)

LEARNING UNIT 1 FOCUSES ON COMMON FRACTIONS

• This module continues the work dealt with in grade 5. Addition and subtraction of fractions are extended and calculation of a fraction of a particular amount is revised.
• Check whether the learners know the correct terminology and are able to use the correct strategies for doing the above correctly.
• Critical outcome 5 (Communicating effectively by using visual, symbolic and /or language skills in a variety of ways) is addressed.
• It should be possible to work through the module in 3 weeks.
• ** Activity 17 is designed as a portfolio task. It is a very simple task, but learners should do it neatly and accurately. They must be informed in advance of how the educator will be assessing the work.
• LEARNING UNIT 2 FOCUSES ON DECIMAL FRACTIONS
• This module extends the work that was done in grade 5. Learners should be able to do rounding of decimal fractions to the nearest tenth, hundredth and thousandth. Emphasise the use of the correct method (vertical) for addition and subtraction. Also spend sufficient time on the multiplication and division of decimal fractions.
• As learners usually have difficulty with the latter, you could allow 3 to 4 weeks for this section of the work.

** Activity 19 is a task for the portfolio. The assignment is fairly simple, but learners should complete it neatly and accurately. They must be informed in advance of how the educator will be assessing the work.

1.1 False

1.2 True

1.3 False

1.4 False

1.5 True

1.6 True

1.7 True

1.8 False

1.9 False

1.10 True

## Content

### ACTIVITY: To recognise and classify numbers in order to describe and compare them [LO 1.3.2]

#### COMPETITION TIME!

1. Form groups of four. You are allowed one minute only to decide whether each of the following is true or false. Your educator will then provide the correct answer.

1.1 0,1 < 0,02

1.2 1 > 0,99

1.3 0,4 < 0,06

1.4 0,3 < 0,30

1.5 0,7 > 0,071

1.6 1,04 = 1,040

1.7 0,49 < 0,5

1.8 0,042 > 0,42

1.9 0,057 < 0,13

1.10 3,8 = 3,800

• Which group has won? ………………………………………………………

How many answers did YOUR group get right? ……………………………

TIME FOR SELF-ASSESSMENT

It is very important that you understand and feel that you are in control concerning the work we have done so far. Show us how you feel about it by assessing yourself on a scale of 1 - 4. Read the criteria and circle the appropriate number:

1 = needs attention (struggling)

2 = fairly good (coping)3 = very good (fairly confident)

4 = outstanding (fully confident)

 CRITERIA CODE I was able to find the correct answer on p. 27. 1 2 3 4 I am able to name the value of the underlined digit in a number. 1 2 3 4 I am able to write fractions as decimal fractions. 1 2 3 4 I am able to write decimal numbers in extended notation. 1 2 3 4 I am able to take readings from a number line and write them down correctly (LO 1.3) 1 2 3 4 I am able to write decimal fractions as common fractions. (LO 1.3) 1 2 3 4 I am able to programme my pocket calculator to count in decimal intervals. (LO 1.10) 1 2 3 4 I am able to count on in decimal intervals. (LO 1.1) 1 2 3 4 I am able to count backwards in decimal intervals. (LO 1.1) I am able to correctly compare fractions with one another and to fill in the correct relationship signs. 1 2 3 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 1.3: We know this when the learner recognises and represents the following numbers in order to describe and compare them:

1.3.2 decimal fractions to at least two decimal places.

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