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Common Core Standards
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| Grade: |
1st Grade |
| Standard: |
CC.2.1.1.B.3 |
| Description: |
Use place-value concepts and properties of operations to add and subtract within 100. |
| Standard: |
MA.1.NSO.2.2 |
| Description: |
Add two whole numbers with sums from 0 to 20, and subtract using related facts with procedural reliability. |
| Standard: |
1.NBT.C.5 |
| Description: |
Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used. |
| Standard: |
1.5.C |
| Description: |
use relationships to determine the number that is 10 more and 10 less than a given
number up to 120; |
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