FIRST YEAR MATH OLYMPIAD March 25,
2000 Answer
sheet
1
ANSWERS
Number Sense
Problem |
Answer |
1 |
$182.21 (subtract 1 point for
$182.20) |
2 |
21 |
3 |
13 |
4 |
1/2 point for each entry. % sign is not
necessary. Fraction which is not
reduced is wrong. x .4 40% 23/25 x 92% 9/50 .18 x x .6 60% |
5 |
In order: 1/4 .26 .3 3/8 .38 (no partial credit) |
Measurement
Problem |
Answer |
1 |
86,400 |
2 |
260 (units not necessary) |
3 |
9 |
4 |
$4.80 or 480 cents |
5 |
16 |
Geometrical Sense
All
answers must have correct units!
Subtract one point for each answer that has incorrect of missing
units.
Problem |
Answer |
1 |
Area = 167 sq cm Perimeter = 60 cm |
2 |
Area = any number between 1017.36 sq ft
and 1017.8760 sq ft Perimeter = any number between 113.04 ft and 113.09733
ft |
3 |
Any answer between
545.04 sq ft and 545.09733 sq ft |
4 |
120^{o} or
120 degrees |
5 |
Any number between
3.8125 sq in and 3.8175 sq in |
Probability and Statistics
Problem |
Answer |
1 |
4/36 or 2/18 or 1/9 |
2 |
11/221 or 132/2652 |
3 |
1/6 or 2/12 |
4 |
Mean = 22 Mode = 15 Median = 18 Range = 33 |
5 |
49/325 |
Algebraic sense
Problem |
Answer |
1 |
18 |
2 |
6 |
3 |
12 |
4 |
17 (no penalty for mentioning the
number of pigs) |
5 |
77 |