1. 2 tens and 5 ones = ________.
2. 3 tens and 9 ones = ________.
3. _____ tens + 5 ones = 45.
4. 42 = _____ tens + _____ ones.
5. 0 tens and 9 ones = _____.
6. 65 = _____ tens + 5 ones.
7. 30 + 9 = _____.
8. 88 = _____ + 8.
9. 6 tens = _____.
10. 5 tens and _____ ones = 50.
11. What comes after 19?
12. What comes before 50?
13. What comes in between 65 and 67?
14. What is the smallest 2-digit number?
15. What is the greatest 2-digit number?
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