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Place Value

Place Value. Using Odometers. Experiment. Experiment with your odometer What could it be used for?. HTO. Remember the place value family names (millions, thousands, ones) And that each family has three ‘members’ (hundreds, tens, ones). 624. HTO. This space is called “thousand”. 624 000

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Place Value

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  1. Place Value • Using Odometers

  2. Experiment • Experiment with your odometer • What could it be used for?

  3. HTO • Remember the place value family names (millions, thousands, ones) • And that each family has three ‘members’ (hundreds, tens, ones)

  4. 624 HTO

  5. This space is called “thousand” 624 000 HTO HTO

  6. This space is called “million” 624 000 000 HTO HTO HTO

  7. Remember, read the group of numbers before a space as if it were a group of HTO (hundreds, tens and ones)

  8. Say... • 524 • 3  756 • 65  800 • 23  712 • 321  800 • 420  712 • 3867  200                   • 13450  000 • 143700  000

  9. Can you calculate? • a)  how many 10s                                • b)  how many 1s                                   • c)  how many 100s • d)  how many 1 000s     • e)  1 000 more   • f) 300 less • g) 10 000 more • h) 2 000 less • 4 768 • 2 719 • 62 125

  10. Bob is trying to figure out the number Sally has written down. • She tells him that there are two ones, eight thousands and four hundreds. • What is the number?

  11. Show me...listen for teacher instructions

  12. Virtual Odometer

  13. Barrier Game • Find a buddy who you work well with • Sit back to back • Take turns in giving instructions for adding or subtracting numbers to your odometer • See if you end up with the same number!

  14. Your turn • Can you write a series of instructions, detailing what to do with your odometer? • How does it work? Could you present this as a tutorial to share with a year five student to teach them how to use odometers? • http://scratch.mit.edu/projects/paulfuller75/3313750

  15. Maths Diary • What have you learnt? • How does your odometer help you understand place value?

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