Base-60 Anchor Chart
Visual anchor chart contrasting Base-10 and Base-60 subtraction. Clearly illustrates the rule that 1 hour equals 60 minutes and provides a step-by-step checklist for borrowing in time calculations.
Visual anchor chart contrasting Base-10 and Base-60 subtraction. Clearly illustrates the rule that 1 hour equals 60 minutes and provides a step-by-step checklist for borrowing in time calculations.