1. Read-Around Review: cent-, centi-, dec-, dec-
cent-, centi- = hundred
dec-, deca- = ten

2. What is the word that names a period of ten years?

3. decade
a period of ten years

4. What is the word that names a period of 100 years?

5. century
a period of years

6. What is the word that names a shape with ten sides and ten angles?

7. decagon
a polygon with ten sides and ten angles

8. What is the word that names the contest athletes compete in which requires skill and training in ten events?

9. decathlon
an athletic contest consisting of ten different events

10. What are the prefixes that mean hundred and ten?

11. The prefixes cent-, centi-, and dec-, deca-.

12. What is the measurement that is 1/100th of a meter?

13. centimeter
a unit of length in the metric system; it takes 100 cm to equal 1 meter

14. centipede
an arthropod with perhaps 100 legs

15. decimal
a number using the base of ten; a part of a whole based on groups of ten

16. What is the difference between a proper noun and a common noun?