I can add/subtract 9 or 11 by adding/subtracting 10 and then adjusting by 1.
Standard detail
Depth 1Parent ID: 0F105A92043544AEBA0FE73014E7D108Standard set: Level 5
Original statement
Quick facts
- Statement code
- Standard ID
- A5BE61A8E9734FA1AC25BAB70CCA556B
- Subject
- Mathematics
- Ancestor IDs
- 0F105A92043544AEBA0FE73014E7D108
- Source document
- Learning Out
- License
- CC BY 4.0 US