Apply properties of operations as strategies to add and subtract.
Standard detail
CCSS.Math.Content.1.OA.B.3
Standard
Depth 2Parent ID: FDFBABAA6BFA4FBDACA10CA3898A2D6EStandard set: Grade 1
Original statement
Quick facts
- Statement code
- CCSS.Math.Content.1.OA.B.3
- List ID
- 3.
- Standard ID
- FC21412A7C92444EA50B30A09729330F
- ASN identifier
- S114343A
- Subject
- Common Core Mathematics
- Grades
- 01
- Ancestor IDs
- FDFBABAA6BFA4FBDACA10CA3898A2D6ED0039DC0DFE401311CDD68A86D17958E
- Source document
- 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.)