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Description: Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.
Worksheet 9602 - Mentally add 100 to or subtract 100 from a number between 100 and 900:
1. 387 + 100 = |
6. 592 - 100 = |
2. 746 + 100 = |
7. 244 - 100 = |
3. 319 - 100 = |
8. 115 - 100 = |
4. 744 + 100 = |
9. 684 - 100 = |
5. 308 + 100 = |
10. 385 - 100 = |
Printable #: 9602-CCSS.Math.Content.2.NBT.B.8
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