1. Launch the "Math Memory" game on your mobile device.

2. Tap the screen to begin the game.

3. You will see 16 cards laid out face-down in a 4x4 grid.

4. Each card contains a hidden math expression or its corresponding answer.

5. Tap on any card to flip it over and reveal the hidden content.

6. Tap a second card to flip it and try to find a matching pair.

7. A matching pair consists of a math operation and its correct solution (e.g., "5 + 3" and "8").

8. If the selected cards match, they will remain face-up.

9. If the selected cards do not match, they will flip back down after a short delay.

10. Try to remember the location and content of each card you reveal.

11. Continue flipping two cards at a time, looking for correct math pairs.

12. Use logic and memory to identify and match all pairs efficiently.

13. The game ends when all 8 pairs have been successfully matched.

14. Aim to complete the game in the fewest moves and shortest time possible.

15. Tap the screen or follow prompts to restart or play again.