you can use your fingers or have a point system, and just mark off points
Answer:
Step-by-st
Strategy 1: Subtract in two parts
Subtract 6 in two parts: first 2, then 4. In other words, first subtract to the previous whole ten, then the rest. 1. Subtract the elevated number in parts first subtract to the previous whole ten; then the rest.
explanation:
hope this helps
