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

1. Mental Math
Write in expanded form
751
375
201

2. Place Value
Hundreds Tens Ones
______ ______ ______
Thousands Hundreds Tens Ones
________ _______ ________ ______

3. Place Value Chart
Hundreds Tens Ones

4. 146
Place Value Chart
Hundreds Tens Ones
Base 10 Blocks

5. 980
Hundreds Tens Ones

6. 402
Hundreds Tens Ones

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. 106 + 339 =
Hundreds Tens Ones

9. 163 + 384 =
Hundreds Tens Ones

10. 429 - 216 =
Hundreds Tens Ones

11. 360 - 239 =
Hundreds Tens Ones

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. 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. 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. 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. What do you think about place value
charts?