Question

15a: sentence completion
directions: complete the following sentences with the correct word from your list. each word will be used only once.

1. one hundred ______ equals one meter.
2. i got a ninety - five ______ on my math test.
3. a ______ is a roll of very common (polygons) octagons, with one less side, one more obstacle.
4. most school reunions are either held at five years or at a ______ after graduation.
5. my birthday is in ______ and my mom’s birthday is in may.
6. ______ numbers are very much like fractions since they both represent parts of a whole.
7. a warm sunny day is about twenty - six degrees ______.
8. i have a number of ______ in my family who are living long healthy lives.
9. over a ______ had passed since the crime occurred so all of the witnesses were no longer alive.
10. ten centimeters equals one ______.

15b: yes or no?
directions: respond to the following statements by circling “yes” or “no.”

1. yes no a century equals 100 years
2. yes no water freezes at 100 degrees centigrade.
3. yes no november used to be the ninth month of the year.
4. yes no 100 percent equals one whole.
5. yes no ten decades equals one century.
6. yes no a centenarian is a us customary unit of measurement.
7. yes no a stop sign is in the shape of a nonagon.
8. yes no a centenarian is older than a septuagenarian.
9. yes no the decimal system is based on a pattern of ten.
10. yes no a decimeter is ten meters.

Explanation:

15A: Sentence Completion

Step1: Match term to value

One hundred = $\text{century}$

Step2: Match term to score

Ninety-five = $\text{percent}$

Step3: Match term to polygon

9-sided shape = $\text{nonagon}$

Step4: Match term to 10-year interval

10 years post-graduation = $\text{decade}$

Step5: Confirm month term

Given term = $\text{November}$

Step6: Match term to partial number

Part of a whole = $\text{decimal}$

Step7: Match term to temperature unit

Temperature scale = $\text{centigrade}$

Step8: Match term to 100-year-old person

Person living 100+ years = $\text{centenarian}$

Step9: Match term to 100-year period

100-year time span = $\text{century}$

Step10: Match term to metric length

10 cm = $\text{decimeter}$

1. A century is defined as 100 years.
2. Water freezes at 0 degrees centigrade, boils at 100.
3. November comes from Latin "novem" (nine), once the 9th month in the Roman calendar.
4. 100% represents a full whole quantity.
5. 1 decade = 10 years, so 10 decades = 100 years (1 century).
6. A centenarian is a person, not a measurement unit.
7. A stop sign is an octagon (8 sides), not a nonagon (9 sides).
8. A centenarian is 100+ years old; a septuagenarian is 70-79, so centenarians are older.
9. The decimal system uses base-10 (0-9) digits.
10. A decimeter is 0.1 meters, 10 decimeters = 1 meter.

Answer:

1. century
2. percent
3. nonagon
4. decade
5. November
6. decimal
7. centigrade
8. centenarians
9. century
10. decimeter

---

15B: Yes or No?