Mentally find 10 more or 10 less than a given two-digit number without having to count by ones and explain the reasoning used.
Standard detail
1.NBT.C.5
Content Standard
Depth 2Parent ID: C59B31DBE5554BE9B08CBD85CA2D5B84Standard set: Grade 1
Original statement
Quick facts
- Statement code
- 1.NBT.C.5
- Standard ID
- 6D1AFD5C6F1B45BD9F8F1F0C782E8D89
- ASN identifier
- S2818429
- Subject
- Mathematics (2014-2023)
- Grades
- 01
- Ancestor IDs
- C59B31DBE5554BE9B08CBD85CA2D5B84ADB15B642C644C9EAC96BD23ADB8667A
- Source document
- Tennessee Academic Standards: Mathematics (2016)