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.
8 exercises — Math Functions
Work out what share of one funnel stage reached the next.
Express clicks as a percentage of the impressions that earned them.
Divide leavers by average headcount to get a turnover percentage.
Add up a column of daily sales figures to get the monthly total.
SUM
Work out what a customer pays after their contracted discount.
Divide campaign spend by the leads it generated.
Add up only the rows matching a text condition.
SUMIF
Apply two conditions at once to a conditional sum.
SUMIFS
| # | Exercise | Functions | Difficulty | Time | Status |
|---|---|---|---|---|---|
| 3 | Calculate a funnel conversion rateHarbor Supply — distributor sign-up funnel | — | Beginner | 5 min | 15 pts |
| 4 | Calculate click-through rateHarbor Supply — campaign performance export | — | Beginner | 4 min | 10 pts |
| 6 | Calculate the annual turnover rateHarbor Supply — annual turnover summary | — | Beginner | 4 min | 10 pts |
| 13 | Total a month of sales with SUMHarbor Supply — daily sales, first week of October | SUM | Beginner | 3 min | 10 pts |
| 19 | Apply a percentage discount to a list priceHarbor Supply — contracted distributor pricing | — | Beginner | 5 min | 15 pts |
| 26 | Work out cost per leadHarbor Supply — spend and leads by campaign | — | Beginner | 4 min | 10 pts |
| 33 | Total sales for one region with SUMIFHarbor Supply — October orders by region | SUMIF | Beginner | 6 min | 15 pts |
| 62 | Total sales for a region and month with SUMIFSHarbor Supply — orders across regions and months | SUMIFS | Intermediate | 9 min | 25 pts |