Subtraction: move beads away from center beam
3 - 1 (3 take away 1)
2 - 2 (2 minus 2)
4 - 3 (4 subtract 3)
2 - 1
3 - 2
4 - 2
Now do the worksheet
Video: Abacus Lesson 12: Simple Subtraction (0-5 only) 1's column
Acknowledgement: Credit John of HEV Project. This post is a summary of HEV Abacus Lessons
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