Lesson 9: Basic Multiplication (3 × 2)
Advanced Level
Instructions
- Multiplication is repeated addition. Let's do 3 × 2 in the rightmost column.
- Add 3 twice: Slide 3 blue beads up (3), then add 3 more (swap to red bead + 1 blue bead).
- The value should be 6!
T
100B
10B
B
100M
10M
M
100K
10K
K
100
10
1
5
1
1
1
1
5
1
1
1
1
5
1
1
1
1
5
1
1
1
1
5
1
1
1
1
5
1
1
1
1
5
1
1
1
1
5
1
1
1
1
5
1
1
1
1
5
1
1
1
1
5
1
1
1
1
5
1
1
1
1
5
1
1
1
1
Value: 0