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.
12 exercises — Intermediate
Work out how many days old each invoice is.
TODAY
Combine date arithmetic with a conditional label.
IF · TODAY
Extract characters from the middle of a text value.
MID
Clean inconsistent spacing and casing so values can be matched.
Require two conditions to be true at once.
IF · AND
Return one of three labels depending on where a value falls.
IF
Count rows that satisfy several criteria at once.
COUNTIFS
Return the right rate from several tiers without nesting.
IFS
Match a customer ID against a reference table to return their region.
XLOOKUP
Apply two conditions at once to a conditional sum.
SUMIFS
Use VLOOKUP with exact match to pull prices from a product table.
VLOOKUP
Combine INDEX and MATCH to look up a value without a fixed column number.
INDEX · MATCH
| # | Exercise | Functions | Difficulty | Time | Status |
|---|---|---|---|---|---|
| 13 | Calculate invoice age with TODAYHarbor Supply — open invoices | TODAY | Intermediate | 8 min | 25 pts |
| 14 | Flag overdue invoices with IF and TODAYHarbor Supply — aged debt | IF · TODAY | Intermediate | 9 min | 25 pts |
| 15 | Pull the year out of an order code with MIDHarbor Supply — order codes | MID | Intermediate | 7 min | 25 pts |
| 16 | Standardise messy codes with TRIM and UPPERHarbor Supply — supplier feed, uncleaned | — | Intermediate | 7 min | 25 pts |
| 17 | Approve orders with ANDHarbor Supply — order approval queue | IF · AND | Intermediate | 8 min | 25 pts |
| 18 | Band orders by size with nested IFHarbor Supply — October orders | IF | Intermediate | 9 min | 25 pts |
| 19 | Count orders meeting two conditionsHarbor Supply — orders across regions | COUNTIFS | Intermediate | 8 min | 25 pts |
| 20 | Apply commission tiers with IFSHarbor Supply — Q3 sales by rep | IFS | Intermediate | 10 min | 25 pts |
| 21 | Look up a customer's region with XLOOKUPHarbor Supply — orders plus a customer reference table | XLOOKUP | Intermediate | 8 min | 25 pts |
| 22 | Total sales for a region and month with SUMIFSHarbor Supply — orders across regions and months | SUMIFS | Intermediate | 9 min | 25 pts |
| 23 | Look up a unit price with VLOOKUPHarbor Supply — quote lines and product master | VLOOKUP | Intermediate | 8 min | 25 pts |
| 24 | Find a value with INDEX and MATCHHarbor Supply — commission rates by rep | INDEX · MATCH | Intermediate | 10 min | 25 pts |