My Coordinates Street-Maps

This is my Coordinates that I did with my maths teacher Mr somerville I hope you enjoy please leave me a comment good bye.

Grid References

1. What is the grid reference of the ∞ ?A2
2. What is the grid reference of the * ?D4
3. What is the grid reference of the Δ?B3
4. What is the grid reference of the Circle?B5
5. What is the grid reference of the Love Heart?A4
6. What is the grid reference of the Smiley Face?C3
7. What is the grid reference of the Cloud?E5
8. What is the grid reference of the Sun?E3
9. What is the grid reference of the Lightning Bolt?C1