Sunday, February 7, 2016

Abacus Lesson 16: Simple Subtraction (0-10) 10's column

92 - 51 (92 take away 51)
89 - 25 (89 minus 25)
75 - 25 (75 subtract 25)

71 - 11 (71 take away 11)

Now do the worksheet


Video: Abacus Lesson 16: Simple Subtraction (0-10) 10's column




Acknowledgement: Credit John of HEV Project. This post is a summary of HEV Abacus Lessons
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