Basic Functions
Beginner

MOD by 2: odd or even

The remainder after halving tells you which side of the street.

Task:

Couriers split each street by side: even house numbers on the left, odd on the right. In C2:C7 show Left or Right for each delivery.

Interactive Spreadsheet

Hints

+5 XPno-hints bonus

Solve it on your own to keep the bonus. Each hint gets one step closer to the formula.

The data in this exercise

This is the grid you start with. Cell references in the task — B6, C2 — point at the row numbers and column letters below.

7 rows × 3 columns6 cells you fill in
ABC
1StreetNo.Side
2Park Road14
3Park Road27
4Mill Street3
5Mill Street108
6Bank Lane41
7Bank Lane50
What this exercise teachesMay contain the answer

MOD by 2 is the simplest parity test there is, and the same idea alternates row shading, splits a list into two teams or pairs up shifts. Any repeating pattern of length n is a MOD by n.