Apply properties of operations as strategies to add and subtract.
Standard detail
CCSS.Math.Content.1.OA.B.3
Standard
Depth 2Parent ID: F09FC6E492324371806F547C69B3A607Standard set: Grade 1
Original statement
Quick facts
- Statement code
- CCSS.Math.Content.1.OA.B.3
- List ID
- 3.
- Standard ID
- 01EF60F46A7B44D88F454DD9B5606487
- ASN identifier
- S2554056
- Subject
- Mathematics (2010-)
- Grades
- 01
- Ancestor IDs
- F09FC6E492324371806F547C69B3A607D45EE4E574DC4585A05D15EE1037431B
- Exact matches
- Source document
- New Mexico 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.)