1. Odd or Even?

2. 245 odd

3. 384 even

4. 780 even

5. 1671 odd

6. 999 odd

7. Problems

8. I have a lot of straws. There are more than 55 but less than 60 . It is an even number. How many can I have? 56, 58

9. Mary’s age is an odd number. Mary’s brother is 5 years older than her. His age is an even number. He is younger than 20 . How old could Mary be? 9, 11, 13

10. Mark has a large family. There are an even number of people. The number is more than 4 but less than 8 . How many in Mark’s family? 6