Stages
Just playMission 1/5
Read someone else's sheet
Nothing is scored here. Press things and see what changes.
Do thisMission 2/5
Find the typed number
Do thisMission 3/5
Every row the same rule
Do thisMission 4/5
A total that follows changes
Do thisMission 5/5
A SUM that reaches the end
★★★
Run cleared.
🚀 Push it
- 🟢Find the hard-coded number in a classmate's sheet.
- 🟡Change one input and check every total follows.
- 🔴Explain how to spot a typed total at a glance.
🌐 Make it for real
Open a blank Google Sheet and build the sample check sheet from an empty grid.
Twist: change one quantity, then say which totals followed and which stayed put.
🧑🏫 Teacher Guideclick to open
⏱ 52218
✅ Watch for
- Checks copied from the Total column instead of worked out
- SUM ranges that stop one row short
- Students who trust a number because it looks right