🧮 Abacus Calculator Learning Tool
Learn to calculate using an abacus with step-by-step animations
Enter numbers and click "Start Problem"
0
Try solving it yourself by clicking the beads!
How to Use:
- Enter a problem: Choose two numbers and an operation (+, −, ×, ÷), then click
"Start Problem"
- Try it yourself: Click the beads to move them toward the center bar. Red beads = 5,
Blue beads = 1
- Check your work: Click "Check My Answer" to see if you got it right
- Need help? Click "Show Solution" to see an animated step-by-step solution
- Bead rules: Red beads slide right (worth 5 each), Blue beads slide left (worth 1
each)
- Division method: Division uses the authentic abacus technique:
- The dividend is entered at the top rows (yellow background highlight)
- The quotient builds at the bottom rows (green background highlight)
- The divisor is kept in memory and used to determine each quotient digit
- For learning purposes, only divisions with no remainder are allowed