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BEGINNERMental Math
Left-to-Right Addition
Add numbers starting from the leftmost digit for faster calculation
SSCIBPS
Instead of adding right-to-left (like school), add left-to-right!
How It Works
0
Start with the hundreds place
1
Then add tens place
2
Finally add ones place
3
Adjust as you go
Examples
📝 567 + 284: 500+200=700 → 60+80=140 → 7+4=11 → 700+140+11=851
📝 348 + 276: 300+200=500 → 40+70=110 → 8+6=14 → 500+110+14=624
Pro Tips
💡 This lets you speak the answer as you calculate!
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