Explain why addition and subtraction strategies work, using place value and the properties of operations.
Standard detail
CCSS.Math.Content.2.NBT.B.9
Standard
Depth 2Parent ID: 1A7E77DCE4FB4230BE97993C6F0F8988Standard set: Grade 2
Original statement
Quick facts
- Statement code
- CCSS.Math.Content.2.NBT.B.9
- List ID
- 9.
- Standard ID
- 317AA6729FB74C6A9ECC49BC56166BAB
- ASN identifier
- S2525896
- Subject
- Mathematics (2010-2014)
- Grades
- 02
- Ancestor IDs
- 1A7E77DCE4FB4230BE97993C6F0F8988FBDFA7F3DD4649029E1B7ECC7A892EF0
- Exact matches
- Source document
- TN Common Core State Standards for Mathematics (2010)
- License
- CC BY 3.0 US
- Dataset notes
Explanations may be supported by drawings or objects.