Apply properties of operations as strategies to add and subtract.
Standard detail
CCSS.Math.Content.1.OA.B.3
Standard
Depth 2Parent ID: 97DDC563B75E414C9ACF8339B3B2C25CStandard set: Grade 1
Original statement
Quick facts
- Statement code
- CCSS.Math.Content.1.OA.B.3
- List ID
- 3.
- Standard ID
- E4999FAA252A419F9B833B6526CBFBDC
- ASN identifier
- S2525830
- Subject
- Mathematics (2010-2014)
- Grades
- 01
- Ancestor IDs
- 97DDC563B75E414C9ACF8339B3B2C25CB5BF97C23A4E460E8A9B8AD22B0D867E
- Exact matches
- Source document
- TN Common Core State Standards for Mathematics (2010)
- License
- CC BY 3.0 US
- Dataset notes
Students need not use formal terms for these properties.
To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)
If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.)