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Brain Puzzles · Space and shape
Matchstick Equations
Move one stick to make the sum true. Print a fresh sheet with its answer key, or try one on screen.
How to play
- Count the sticks in each digit. Moving one stick can turn a 6 into a 0 or a 9, or a + into a −.
- The equals sign stays as it is.
- Each puzzle has exactly one correct fix.
What it exercises
Seeing numbers as shapes, and thinking about what a small change can do.
Levels
- Easy Single digits.
- Medium Answers up to 18.
- Hard Two-digit numbers.