2.NBT.B.8
Mentally add or subtract 10 or 100 from numbers 100 to 900
Read the official standard at corestandards.org
Work toward it with Peabody
We have no Peabody page for this standard yet. Tell us what to make.
Previous: 2.NBT.B.7
Next: 2.NBT.B.9
© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. Standards are listed here by code with our own summaries; the official text is at corestandards.org.