Fill in the blanks with >, <, or =.

1. 1 + 9 = 1 + 9

2. 10 – 1 > 8

3. 8 – 3 > 2 + 2

4. 5 + 1 = 1 + 5

5. 10 – 3 > 1 + 5

6. 5 + 5 > 9 – 2

7. 7 + 7 < 20 – 5

8. 20 + 10 = 10 + 20

9. 1 + 1 + 1 < 5 – 1

10. 10 + 10 > 20 – 1