Real situations from working spreadsheets — sales targets, commission tiers, messy exports, aged invoices. Numbered in recommended order: start at 1 and work down, or filter to what you need.
6 exercises — Advanced · for Consultant
Produce a summary line combining count, total and average for one region.
COUNTIF · SUMIF
Return a readable message instead of #N/A when a lookup finds nothing.
XLOOKUP
Write one formula that stays correct filled both across and down a grid.
SUMIFS
Use COUNTIF to reconcile two lists and spot what is absent.
COUNTIF · IF
Return a name from one column based on a ranked value in another.
INDEX · MATCH · SMALL
Add up the top three values without sorting the data or using a helper column.
LARGE
| # | Exercise | Functions | Difficulty | Time | Status |
|---|---|---|---|---|---|
| 71 | Build a regional summary from raw ordersHarbor Supply — raw October order export | COUNTIF · SUMIF | Advanced | 16 min | 40 pts |
| 73 | Handle missing lookups gracefullyHarbor Supply — orders including a new customer | XLOOKUP | Advanced | 10 min | 40 pts |
| 77 | Fill a two-way summary with SUMIFSHarbor Supply — order log, two months | SUMIFS | Advanced | 14 min | 40 pts |
| 78 | Find which customers are missing from a listHarbor Supply — CRM customers versus billing records | COUNTIF · IF | Advanced | 14 min | 40 pts |
| 81 | Name the third-fastest supplierHarbor Supply — supplier lead times | INDEX · MATCH · SMALL | Advanced | 13 min | 40 pts |
| 83 | Total the three biggest ordersHarbor Supply — order values, unsorted export | LARGE | Advanced | 10 min | 35 pts |