Logic for finding middle numbers in tables sets
medium
1 of 5 Lessons
Applying arithmetic shortcuts for daily calculations
medium
2 of 5 Lessons
Speed calculation of interest and percentages report
medium
3 of 5 Lessons
Mental calculation of ratios and averages groups
medium
4 of 5 Lessons
Identifying trends in quick numeric charts analysis
medium
5 of 5 Lessons