Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
Standard detail
CCSS.Math.Content.1.NBT.C.5
Standard
Depth 2Parent ID: 75361626F4AB4835A1F9504633FA2EA8Standard set: Grade 1
Original statement
Quick facts
- Statement code
- CCSS.Math.Content.1.NBT.C.5
- Standard ID
- 82AECFBED7584613965D1EA8B170468F
- ASN identifier
- S21341395
- Subject
- Common Core State Standards for Mathematics (2010)
- Grades
- 01
- Ancestor IDs
- 75361626F4AB4835A1F9504633FA2EA817AE5876700C431781C1FB5860CE1C9C
- Source document
- Common Core State Standards for Mathematics (2010)