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Mental Math
Write in expanded form
751
375
201
Place Value
Hundreds Tens Ones
______ ______ ______
Thousands Hundreds Tens Ones
________ _______ ________ ______
Place Value Chart
Hundreds Tens Ones
146
Place Value Chart
Hundreds Tens Ones
Base 10 Blocks
980
Hundreds Tens Ones
402
Hundreds Tens Ones
What’s so good about place value
charts?
• They’re another way to think about place
value and expanded form.
• They help k...
106 + 339 =
Hundreds Tens Ones
163 + 384 =
Hundreds Tens Ones
429 - 216 =
Hundreds Tens Ones
360 - 239 =
Hundreds Tens Ones
Jobs
• Play Expando with a partner
– Red
• Play Basketball Addition with your group
– Green
• Play Roll & Build
– Blue
• W...
Jobs 2
• Work on Place Value Disk Addition
– Yellow
• Play Basketball Addition with your group
– Red
• Play Roll & Build
–...
Jobs 3
• Play Expando with a partner
– Blue
• Play Basketball Addition with your group
– Yellow
• Play Roll & Build
– Red
...
Jobs 4
• Work on Place Value Disk Addition
– Green
• Play Basketball Addition with your group
– Blue
• Play Roll & Build
–...
What do you think about place value
charts?
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2nd Grade Math Place Value Disk Model

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Place value lesson for 2nd grade using the place value disk model to represent numbers.

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2nd Grade Math Place Value Disk Model

  1. 1. Mental Math Write in expanded form 751 375 201
  2. 2. Place Value Hundreds Tens Ones ______ ______ ______ Thousands Hundreds Tens Ones ________ _______ ________ ______
  3. 3. Place Value Chart Hundreds Tens Ones
  4. 4. 146 Place Value Chart Hundreds Tens Ones Base 10 Blocks
  5. 5. 980 Hundreds Tens Ones
  6. 6. 402 Hundreds Tens Ones
  7. 7. What’s so good about place value charts? • They’re another way to think about place value and expanded form. • They help keep our hundreds, tens and ones organized. • We can use them for addition and subtraction. • They work for bigger numbers than base 10 blocks • They are great for problems that need re- grouping.
  8. 8. 106 + 339 = Hundreds Tens Ones
  9. 9. 163 + 384 = Hundreds Tens Ones
  10. 10. 429 - 216 = Hundreds Tens Ones
  11. 11. 360 - 239 = Hundreds Tens Ones
  12. 12. Jobs • Play Expando with a partner – Red • Play Basketball Addition with your group – Green • Play Roll & Build – Blue • Work with Ms. Gill – Yellow
  13. 13. Jobs 2 • Work on Place Value Disk Addition – Yellow • Play Basketball Addition with your group – Red • Play Roll & Build – Green • Work with Ms. Gill – Blue
  14. 14. Jobs 3 • Play Expando with a partner – Blue • Play Basketball Addition with your group – Yellow • Play Roll & Build – Red • Work with Ms. Gill – Green
  15. 15. Jobs 4 • Work on Place Value Disk Addition – Green • Play Basketball Addition with your group – Blue • Play Roll & Build – Yellow • Work with Ms. Gill – Red
  16. 16. What do you think about place value charts?

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