How to play Math Pyramid

Rules

1. Every brick equals the sum of the two directly below it.
2. Given numbers stay fixed.
3. Only the highlighted target is checked; other blanks are working space.

How to answer

1. Type directly into blank bricks. Add upward or subtract downward to find missing values.
2. Use Undo or Clear notes to revise your work. Choose Check target when the highlighted brick is ready.

Solving tips

• Look for a brick and one known neighbour: subtraction gives the other neighbour.

Practice

These examples do not change your daily progress or streak. Refresh the page to try them again.