Build a number pyramid! Each block must equal the sum of the two blocks directly below it. Fill in the missing numbers to complete the pyramid.
How to Play:
Complete the number pyramid by filling in every blank block.
The Rule:
Every block must equal the sum of the two blocks directly below it.
For example, if the two lower blocks are 3 and 5, the block above them must be 8.
Controls:
1. Click a blank block to select it (it glows purple)
2. Type a number on your keyboard to fill it in
3. Backspace / Delete to clear the selected block
Visual feedback:
- Gold border = pre-filled (cannot change)
- Green border = correct value
- Red border = wrong value
- Purple glow = currently selected
Difficulty:
- Easy: 4-row pyramid, 3 blanks
- Medium: 5-row pyramid, 6 blanks
- Hard: 5-row pyramid, 9 blanks
Scoring:
- Base: 500 pts
- Time bonus: up to +300 pts for solving quickly
- Move bonus: up to +150 pts for fewer inputs
Complete the number pyramid by filling in every blank block.
The Rule:
Every block must equal the sum of the two blocks directly below it.
For example, if the two lower blocks are 3 and 5, the block above them must be 8.
Controls:
1. Click a blank block to select it (it glows purple)
2. Type a number on your keyboard to fill it in
3. Backspace / Delete to clear the selected block
Visual feedback:
- Gold border = pre-filled (cannot change)
- Green border = correct value
- Red border = wrong value
- Purple glow = currently selected
Difficulty:
- Easy: 4-row pyramid, 3 blanks
- Medium: 5-row pyramid, 6 blanks
- Hard: 5-row pyramid, 9 blanks
Scoring:
- Base: 500 pts
- Time bonus: up to +300 pts for solving quickly
- Move bonus: up to +150 pts for fewer inputs