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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?