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WALT: understand the structure of place value for decimal numbers

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What do I already know about Place Value? Decimal Numbers?

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Place Value

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Place Value

Hundreds

Tens

Ones

8

5

4

In the number 854, there are 8 hundreds

85 tens 854 ones

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Decimal Place Value

A decimal number contains a decimal point.

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Decimal Place Value

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VIDEO: Decimal Place Value

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Place Value

Tens

Ones

Tenths

Hundredths

Thousandths

7

8

5

0

4

In the number 78∙504, there are 7 tens

78 ones

785 tenths

7850 hundredths

78504 thousandths

78∙504 can be written as:

78 and 5 tenths and 4 thousandths

OR

78 and 5/10 and 4/1000

OR� 78 504/1000

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Understanding Place Value

Identify the place value of the underlined digit.

6 hundreds

Tens

Ones

Tenths

Hundredths

Thousandths

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Understanding Place Value

Identify the place value of the underlined digit.

Tens

Ones

Tenths

Hundredths

Thousandths

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Reading and Writing Decimals

Get a decimat sheet from your teacher. Colour in each decimat to represent the decimal numbers� a - h. Write each decimal number using fractions on your sheet.

See the example below:

Example: 0.885

  1. 0.36
  2. 0.07
  3. 1.48
  4. 2.07
  5. 0.478
  6. 0.509
  7. 0.076
  8. 1.053

8

100

5

1000

8

10

and

and

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Reading and Writing Decimals

Get a decimat sheet from your teacher. Check to see if the following statements are true or false.

See the example below:

  1. 0.32 (3 tenths and 2 hundredths) = 32 hundredths
  2. 0.135 = 135 thousandths
  3. 0.087 = 87 thousandths
  4. 0.107 = 107 thousandths
  5. 0.014 = 14 hundredths = 140 thousandths

True or False

True or False

True or False

True or False

True or False

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What do I NOW know about Place Value? Decimal Numbers?

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CREATE: Your turn!

You are going to research and report on the official results of ATHLETICS events from the last three Summer Olympics

Choose one ATHLETICS event that interests you e.g 100 metre sprint, the long jump or maybe the hammer throw!

Find the results for the Gold, Silver and Bronze medal winners in this event from the last three Summer Olympic competitions - use the links below

2008 Beijing, China 2012 London, England 2016 Rio, Brazil

Make a poster/presentation to:

  • desribe how each event was measured (e.g. distance, time)
  • identify the winners of the Gold, Silver, and Bronze medallist and their results
  • explain the results - how have they changed over time? Why this might be?

Post your completed work on your blog with photos and a task description.