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