Answer Keys
Math Kangaroo will post the answer key one month after the first day of the competition. Math Kangaroo plans to release the results before or on May 1st. The results will be available in the student’s user account that was used for registration.
2024 Answer Key
Question # | Grades 1-2 | Grades 3-4 | Grades 5-6 | Grades 7-8 | Grades 9-10 | Grades 11-12 |
1 | C | E | B | B | A | C |
2 | A | C | C | C | E | C |
3 | E | C | C | E | D | E |
4 | C | C | D | D | C | D |
5 | C | D | B | D | B | D |
6 | D | C | B | B | B | B |
7 | D | E | C | E | D | C |
8 | E | B | C | C | E | B |
9 | D | C | B | C | A | B |
10 | B | A | C | C | C | B |
11 | B | B | B | B | B | C |
12 | A | D | E | A | B | C |
13 | B | A | E | A | D | D |
14 | D | B | A | D | B | E |
15 | B | B | B | A | C | A |
16 | C | D | C | D | B | C |
17 | E | D | C | B | C | A |
18 | C | A | D | C | D | E |
19 | E | E | B | D | E | B |
20 | D | D | A | E | B | A |
21 | A | D | C | A | C | D |
22 | C | C | E | E | C | E |
23 | D | E | A | B | B | B |
24 | B | D | B | D | D | D |
25 | D | D | D | A | ||
26 | C | E | A | A | ||
27 | C | D | B | A | ||
28 | A | B | C | E | ||
29 | E | C | B | D | ||
30 | D | A | B | B |
2023 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | D | D | C | E | A | C |
2 | B | C | D | A | D | C |
3 | A | B | D | A | D | E |
4 | A | C | B | B | D | D |
5 | E | C | D | C | C | B |
6 | C | E | B | D | D | A |
7 | B | C | D | B | D | D |
8 | D | E | B | B | B | B |
9 | D | A | C | D | E | E |
10 | C | A | C | E | E | E |
11 | C | E | C | E | E | C |
12 | E | A | C | C | B | A |
13 | C | D | D | B | C | E |
14 | B | D | B | C | C | B |
15 | D | B | D | E | D | B |
16 | A | A | D | D | E | D |
17 | A | C | B | D | D | C |
18 | C | B | E | D | D | D |
19 | A | B | A | B | B | C |
20 | B | D | B | A | C | C |
21 | D | B | D | B | B | A |
22 | E | B | D | C | C | B |
23 | B | D | B | C | A | B |
24 | C | E | C | E | D | E |
25 | E | D | A | D | ||
26 | B | B | C | A | ||
27 | C | E | D | E | ||
28 | C | A | D | E | ||
29 | C | A | B | C | ||
30 | B | C | A | C |
2022 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | B | A | E | E | D | E |
2 | E | B | E | B | A | B |
3 | B | C | B | C | C | B |
4 | B | C | D | B | C | D |
5 | D | E | B | C | D | D |
6 | B | D | C | A | B | B |
7 | B | A | C | D | B | A |
8 | E | C | C | B | C | D |
9 | A | B | A | A | C | E |
10 | E | C | D | C | D | A |
11 | A | A | C | D | B | D |
12 | D | B | B | D | D | D |
13 | A | E | E | E | D | E |
14 | D | B | D | A | D | B |
15 | C | E | A | C | E | A |
16 | E | B | B | B | A | D |
17 | D | B | D | D | A | C |
18 | A | D | B | B | E | B |
19 | C | E | A | D | C | B |
20 | D | E | E | B | B | D |
21 | C | C | D | B | B | C |
22 | C | B | C | C | D | A |
23 | A | A | D | D | D | E |
24 | C | D | C | A | E | C |
25 | E | D | C | B | ||
26 | D | B | C | C | ||
27 | B | A | E | C | ||
28 | D | C | D | D | ||
29 | B | E | A | A | ||
30 | D | B | C | B |
2021 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | E | C | D | A | C | E |
2 | B | C | A | E | B | A |
3 | A | B | E | D | B | D |
4 | D | B | D | B | B | E |
5 | A | E | B | A | B | A |
6 | D | C | C | A | C | B |
7 | E | D | B | B | C | E |
8 | B | C | E | E | C | C |
9 | D | A | E | B | D | C |
10 | D | E | D | E | E | D |
11 | C | E | B | D | B | D |
12 | E | C | B | E | C | D |
13 | A | C | D | C | A | D |
14 | C | E | B | B | A | A |
15 | B | D | C | D | A | B |
16 | D | B | A | C | E | A |
17 | D | D | E | B | E | B |
18 | A | E | C | C | C | B |
19 | C | D | D | E | C | E |
20 | C | A | B | C | E | C |
21 | B | D | A | C | E | E |
22 | C | E | B | D | E | B |
23 | E | D | A | B | A | E |
24 | C | A | C | B | E | D |
25 | E | D | B | B | ||
26 | C | B | D | A | ||
27 | D | C | D | C | ||
28 | B | D | D | C | ||
29 | B | A | C | B | ||
30 | E | C | D | B |
2020 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | D | E | E | B | B | D |
2 | E | E | E | A | D | B |
3 | A | A | D | C | E | B |
4 | E | A | B | A | A | A |
5 | A | E | E | E | B | C |
6 | D | D | C | E | C | E |
7 | E | E | A | D | B | D |
8 | D | C | B | B | E | D |
9 | C | C | C | D | C | E |
10 | C | C | E | B | A | D |
11 | E | D | A | A | D | E |
12 | C | E | E | C | B | B |
13 | B | D | A | B | B | B |
14 | A | A | B | C | B | B |
15 | B | D | C | C | A | B |
16 | D | B | C | C | C | A |
17 | D | B | E | A | E | B |
18 | D | C | D | D | D | A |
19 | C | A | B | B | A | C |
20 | C | D | A | E | D | B |
21 | B | D | B | A | B | D |
22 | E | D | E | A | C | E |
23 | C | B | B | D | E | D |
24 | B | D | C | B | D | D |
25 | D | C | C | E | ||
26 | D | C | C | C | ||
27 | B | E | C | A | ||
28 | A | D | A | A | ||
29 | E | D | B | C | ||
30 | B | C | D | C |
2019 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | D | E | B | E | D | A |
2 | C | C | C | E | B | E |
3 | C | A | C | C | E | E |
4 | E | D | E | D | C | D |
5 | B | A | E | D | B | C |
6 | C | A | D | D | B | B |
7 | A | D | D | A | C | B |
8 | C | B | C | B | B | C |
9 | E | B | B | D | A | D |
10 | B | C | A | A | B | D |
11 | A | C | C | A | C | D |
12 | E | E | C | B | C | B |
13 | B | B | C | E | E | E |
14 | B | A | B | B | B | E |
15 | E | D | A | C | D | D |
16 | D | D | C | C | B | C |
17 | D | E | B | D | A | A |
18 | A | C | C | B | C | B |
19 | D | B | A | C | D | A |
20 | B | E | D | C | E | E |
21 | C | B | C | B | A | B |
22 | D | E | E | B | E | B |
23 | A | B | D | C | B | C |
24 | C | D | C | E | D | E |
25 | B | E | C | A | ||
26 | B | A | C | D | ||
27 | D | C | D | E | ||
28 | A | E | B | C | ||
29 | D | E | A | B | ||
30 | C | D | C | C |
2018 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | E | B | A | B | C | A |
2 | D | E | C | E | C | D |
3 | D | C | B | B | C | B |
4 | D | E | B | D | C | D |
5 | B | D | D | C | E | C |
6 | B | D | E | D | A | E |
7 | E | D | D | C | B | A |
8 | C | A | C | C | B | B |
9 | B | D | C | D | A | B |
10 | A | A | A | D | B | A |
11 | D | B | E | B | D | B |
12 | A | E | B | C | D | D |
13 | C | E | E | D | B | A |
14 | C | C | A | C | E | D |
15 | C | C | A | A | B | D |
16 | B | D | C | D | A | D |
17 | A | D | C | D | D | B |
18 | D | C | E | B | E | C |
19 | A | B | A | A | D | B |
20 | C | A | A | B | A | E |
21 | D | B | C | E | B | A |
22 | B | D | C | C | C | D |
23 | E | E | D | B | E | B |
24 | E | B | C | B | C | D |
25 | B | D | D | C | ||
26 | D | C | D | E | ||
27 | B | B | A | B | ||
28 | C | E | D | A | ||
29 | C | C | C | C | ||
30 | E | C | D | E |
2017 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | D | E | B | B | B | C |
2 | C | A | C | C | E | A |
3 | B | E | E | C | B | C |
4 | A | C | D | A | C | A |
5 | A | A | B | B | E | C |
6 | A | E | A | E | C | B |
7 | E | C | E | D | E | A |
8 | C | A | C | D | C | C |
9 | D | E | B | B | A | B |
10 | A | E | D | A | C | B |
11 | D | B | D | E | C | A |
12 | E | C | C | A | E | B |
13 | D | D | C | D | D | E |
14 | A | D | C | A | C | D |
15 | C | C | D | E | B | B |
16 | B | D | E | A | B | D |
17 | B | C | E | B | A | E |
18 | C | B | D | B | C | C |
19 | C | E | B | B | D | D |
20 | E | D | C | D | A | D |
21 | E | C | A | C | D | C |
22 | D | B | D | C | E | E |
23 | B | E | D | B | C | E |
24 | E | B | C | A | E | D |
25 | C | D | B | E | ||
26 | C | A | E | D | ||
27 | D | D | A | D | ||
28 | D | E | B | A | ||
29 | E | D | D | E | ||
30 | C | D | A | A |
2016 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | D | E | C | C | D | D |
2 | B | E | E | A | B | C |
3 | D | A | A | C | D | B |
4 | E | A | C | D | A | A |
5 | C | D | E | B | B | A |
6 | B | B | B | A | D | B |
7 | C | A | D | C | C | C |
8 | A | C | C | C | D | E |
9 | D | B | C | B | B | E |
10 | C | B | B | C | E | E |
11 | E | C | A | E | D | D |
12 | C | B | C | E | A | D |
13 | B | D | C | C | E | C |
14 | B | A | D | B | C | E |
15 | A | C | B | B | B | B |
16 | E | D | E | D | E | B |
17 | E | D | A | D | D | B |
18 | A | B | D | B | C | B |
19 | D | D | A | D | B | A |
20 | D | C | C | B | A | C |
21 | A | B | D | D | C | C |
22 | E | C | B | D | C | E |
23 | A | E | D | E | B | D |
24 | C | B | B | D | E | E |
25 | B | E | A | A | ||
26 | D | C | A | C | ||
27 | D | A | C | B | ||
28 | E | E | A | A | ||
29 | C | C | B | A | ||
30 | E | A | D | C |
2015 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | D | E | B | A | B | E |
2 | B | A | C | A | E | A |
3 | C | E | A | B | C | A |
4 | E | C | A | E | B | A |
5 | B | E | B | A | E | D |
6 | E | E | E | D | B | D |
7 | C | B | D | D | E | B |
8 | B | D | A | C | B | E |
9 | D | A | A | C | A | C |
10 | C | D | D | D | C | B |
11 | C | B | E | B | C | C |
12 | E | B | C | C | C | E |
13 | E | C | C | B | D | C |
14 | D | B | C | D | C | D |
15 | C | D | C | E | A | B |
16 | A | C | B | C | D | A |
17 | D | A | C | C | B | C |
18 | D | C | E | B | B | D |
19 | C | A | B | A | D | A |
20 | D | D | E | B | E | A |
21 | D | E | C | C | A | C |
22 | B | C | C | A | B | D |
23 | C | D | D | B | C | A |
24 | A | C | C | C | D | C |
25 | B | C | D | E | ||
26 | C | D | C | D | ||
27 | B | D | B | C | ||
28 | E | E | D | B | ||
29 | E | D | B | D | ||
30 | D | D | B | D |
2014 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | B | D | C | D | B | C |
2 | A | D | D | D | A | C |
3 | D | A | D | A | E | B |
4 | B | D | A | B | A | C |
5 | C | A | A | E | C | E |
6 | D | E | D | E | A | E |
7 | D | E | B | B | B | E |
8 | B | C | B | E | B | D |
9 | A | E | B | B | E | D |
10 | C | E | C | D | C | C |
11 | D | B | E | E | C | A |
12 | E | D | B | B | C | B |
13 | C | B | D | C | B | B |
14 | D | B | B | E | D | C |
15 | B | C | B | E | A | D |
16 | D | B | D | C | E | D |
17 | B | B | A | B | E | A |
18 | D | C | D | E | C | B |
19 | E | B | E | D | D | A |
20 | D | C | A | A | C | C |
21 | E | A | D | E | D | E |
22 | D | D | A | D | D | D |
23 | A | D | E | B | D | E |
24 | A | D | C | D | B | A |
25 | E | C | C | D | ||
26 | D | A | C | A | ||
27 | B | B | B | C | ||
28 | C | C | E | B | ||
29 | C | A | B | D | ||
30 | E | B | C | D |
2013 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | D | D | E | D | D | C |
2 | B | D | C | D | C | C |
3 | A | E | C | A | C | E |
4 | D | B | B | C | C | D |
5 | B | C | E | E | C | C |
6 | E | D | B | E | E | D |
7 | C | B | B | C | E | E |
8 | D | E | E | E | C | B |
9 | E | B | C | A | D | E |
10 | C | D | C | C | C | D |
11 | A | D | C | E | D | C |
12 | B | A | C | E | B | A |
13 | D | D | D | B | D | E |
14 | E | E | B | C | E | D |
15 | C | B | E | B | D | A |
16 | A | B | B | A | D | D |
17 | E | D | D | A | A | A |
18 | C | D | A | E | C | E |
19 | C | B | C | B | D | E |
20 | B | C | D | C | E | C |
21 | A | E | A | B | C | A |
22 | D | B | D | D | D | D |
23 | D | B | B | C | C | A |
24 | D | B | A | C | E | E |
25 | D | B | B | D | ||
26 | D | A | D | C | ||
27 | B | B | C | B | ||
28 | B | D | C | D | ||
29 | D | B | C | E | ||
30 | B | C | B | B |
2012 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | C | B | C | B | D | E |
2 | B | D | C | D | D | B |
3 | D | B | A | A | D | C |
4 | D | C | C | E | E | A |
5 | B | A | E | C | C | C |
6 | C | E | C | E | A | A |
7 | E | B | D | C | B | D |
8 | C | D | A | D | D | D |
9 | A | E | B | D | D | E |
10 | B | B | B | D | D | C |
11 | D | E | D | C | C | A |
12 | D | C | B | C | B | D |
13 | D | D | D | B | C | A |
14 | D | B | C | C | D | C |
15 | B | D | D | C | B | C |
16 | B | C | D | D | E | D |
17 | A | D | C | C | B | E |
18 | E | C | D | E | D | B |
19 | A | D | A | D | B | C |
20 | C | B | C | B | D | E |
21 | D | E | B | E | A | E |
22 | E | D | D | D | D | C |
23 | D | E | D | B | A | D |
24 | C | C | B | D | C | B |
25 | D | D | C | D | ||
26 | B | E | C | D | ||
27 | D | B | C | A | ||
28 | D | C | C | B | ||
29 | C | C | B | E | ||
30 | B | A | D | B |
2011 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | C | A | C | D | D | E |
2 | D | C | B | A | C | B |
3 | D | C | D | B | D | A |
4 | A | E | A | A | A | C |
5 | B | B | E | C | D | D |
6 | B | A | B | C | C | E |
7 | C | B | B | E | D | C |
8 | B | D | D | C | E | C |
9 | C | C | E | C | C | C |
10 | A | B | D | B | C | B |
11 | D | B | D | C | D | A |
12 | B | C | B | E | D | D |
13 | B | E | E | C | A | D |
14 | A | A | C | B | B | E |
15 | B | D | B | A | C | D |
16 | C | C | D | A | C | B |
17 | A | A | B | E | B | B |
18 | D | C | C | C | D | E |
19 | D | C | D | B | D | D |
20 | D | C | C | C | E | B |
21 | B | E | E | D | E | A |
22 | A | D | E | E | C | C |
23 | D | A | C | B | C | A |
24 | B | E | D | D | B | A |
25 | B | D | C | D | ||
26 | A | B | D | B | ||
27 | E | A | B | C | ||
28 | D | B | B | D | ||
29 | C | B | B | C | ||
30 | A | B | E | C |
2010 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | C | D | B | C | D | B |
2 | C | C | D | C | D | C |
3 | C | C | C | D | C | D |
4 | D | C | C | A | B | D |
5 | B | D | C | B | B | D |
6 | A | A | B | C | B | D |
7 | C | C | B | E | E | E |
8 | C | B | B | B | D | B |
9 | D | E | E | B | C | E |
10 | C | B | C | C | D | E |
11 | B | B | E | C | A | D |
12 | C | D | E | D | B | A |
13 | B | D | D | D | B | C |
14 | B | C | D | B | B | C |
15 | A | D | D | C | E | B |
16 | A | A | C | A | C | A |
17 | C | E | A | A | D | C |
18 | C | C | C | B | E | A |
19 | C | D | C | E | C | A |
20 | A | D | E | B | B | E |
21 | A | E | D | C | B | C |
22 | B | B | C | C | C | D |
23 | B | D | B | E | B | E |
24 | A | E | B | B | B | B |
25 | E | C | B | B | ||
26 | B | C | A | C | ||
27 | E | B | E | C | ||
28 | B | A | E | E | ||
29 | D | D | A | A | ||
30 | C | D | E | C |
2009 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | D | E | D | A | C | B |
2 | B | C | B | C | C | A |
3 | C | B | B | C | A | B |
4 | D | A | C | B | D | C |
5 | B | B | A | D | D | E |
6 | A | B | B | D | D | D |
7 | C | C | D | C | B | C |
8 | A | D | C | C | B | E |
9 | C | C | C | C | E | D |
10 | D | D | E | B | B | E |
11 | D | A | C | B | E | D |
12 | B | B | C | A | B | B |
13 | B | B | D | C | C | B |
14 | C | D | E | A | C | D |
15 | C | B | D | D | A | E |
16 | C | A | C | E | D | A |
17 | B | E | B | A | D | B |
18 | D | D | E | A | A | B |
19 | A | B | D | E | C | B |
20 | D | D | C | D | E | D |
21 | C | A | C | B | E | D |
22 | B | B | B | C | B | C |
23 | C | E | C | C | C | E |
24 | B | B | E | D | A | B |
25 |
|
| C | C | B | B |
26 |
|
| C | B | C | A |
27 |
|
| E | D | A | B |
28 |
|
| D | D | B | C |
29 |
|
| A | D | E | D |
30 |
|
| A | C | D | B |
2008 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | C | C | C | B | B | C |
2 | D | D | C | C | B | D |
3 | C | B | B | B | C | B |
4 | A | B | D | C | D | C |
5 | D | D | E | C | B | D |
6 | C | A | C | E | D | E |
7 | A | E | B | B | E | B |
8 | D | A | E | B | B | B |
9 | D | E | A | E | E | C |
10 | A | D | E | A | D | B |
11 | B | E | E | C | C | E |
12 | C | D | B | B | B | E |
13 | B | E | D | A | D | A |
14 | C | C | E | C | A | D |
15 | B | B | D | A | A | B |
16 | D | B | D | A | A | A |
17 | C | C | C | C | D | C |
18 | B | A | C | A | A | A |
19 |
| D | B | D | E | B |
20 |
| E | C | D | B | C |
21 |
| E | E | D | B | C |
22 |
| B | C | C | D | B |
23 |
| C | D | C | D | C |
24 |
| D | C | D | E | C |
25 |
|
| D | C | D | B |
26 |
|
| C | A | A | E |
27 |
|
| D | B | B | D |
28 |
|
| D | D | A | B |
29 |
|
| D | C | D | E |
30 |
|
| C | B | C | B |
2007 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | D | C | D | C | E | C |
2 | B | A | D | A | C | D |
3 | C | C | D | E | A | E |
4 | A | C | C | D | D | A |
5 | D | C | B | D | B | E |
6 | D | E | B | D | D | B |
7 | C | C | A | C | E | E |
8 | A | B | D | A | C | D |
9 | C | C | C | B | E | A |
10 | D | C | A | C | B | C |
11 | B | A | D | C | D | C |
12 | D | C | C | C | B | D |
13 | D | A | C | D | B | B |
14 | C | B | B | E | A | E |
15 | A | B | B | C | B | C |
16 | A | A | C | D | D | B |
17 | D | E | B | A | C | C |
18 | C | B | C | B | A | E |
19 | B | C | D | B | D | A |
20 | E | A | B | E | B | B |
21 | D | A | D | D | C | B |
22 | E | B | B | D | D | D |
23 | E | D | D | E | D | D |
24 | E | E | E | B | C | D |
25 |
|
| E | A | B | C |
26 |
|
| B | C | A | C |
27 |
|
| C | C | B | C |
28 |
|
| D | D | D | A |
29 |
|
| A | D | A | B |
30 |
|
| A | D | B | D |
2006 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | D | C | D | B | D | A |
2 | B | B | E | D | C | B |
3 | D | D | D | D | D | E |
4 | B | A | B | E | C | B |
5 | C | D | E | D | E | B |
6 | E | E | A | B | C | D |
7 | A | B | D | A | D | C |
8 | E | B | A | D | E | E |
9 | E | C | C | D | A | D |
10 | A | A | D | E | B | E |
11 | B | A | D | B | A | D |
12 | A | D | D | A | B | C |
13 | E | C | E | C | D | A |
14 | C | E | A | D | E | A |
15 | D | A | B | B | C | E |
16 | E | C | A | B | B | A |
17 | E | B | B | B | A | A |
18 | B | D | C | C | E | B |
19 | D | D | B | A | D | B |
20 | E | E | B | B | A | E |
21 | D | B | E | E | B | E |
22 | C | E | B | B | B | D |
23 | D | C | D | E | E | D |
24 | E | B | C | D | C | C |
25 |
| E | B | C | C | |
26 |
| D | C | C | B | |
27 |
| A | D | E | B | |
28 |
| B | E | A | A | |
29 |
| E | C | D | C | |
30 |
| C | E | D | A |
2005 Answer Key
Question # | Level 1 & 2 | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | A | C | E | C | C | C |
2 | C | A | C | C | C | C |
3 | E | B | B | A | D | D |
4 | D | B | D | C | E | D |
5 | C | B | D | A | C | D |
6 | C | D | D | C | C | A |
7 | C | E | D | D | B | E |
8 | D | C | A | E | D | C |
9 | C | C | E | A | E | E |
10 | C | B | C | B | C | D |
11 | A | B | C | E | C | C |
12 | A | C | D | C | B | D |
13 | B | D | C | C | C | B |
14 | C | D | E | D | B | A |
15 | A | E | B | B | C | B |
16 | A | D | B | D | A | E |
17 | D | B | B | C | E | A |
18 | B | B | E | C | D | C |
19 | B | A | C | C | A | D |
20 | C | D | E | D | D | B |
21 | E | C | E | C | C | C |
22 | A | E | D | E | A | E |
23 | D | B | D | D | D | A |
24 | E | E | D | B | A | C |
25 |
|
| D | E | D | C |
26 |
|
| C | A | C | E |
27 |
|
| D | A | E | B |
28 |
|
| D | B | C | A |
29 |
|
| B | B | B | E |
30 |
|
| D | A | D | B |
2004 Answer Key
Question # | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | E | C | C | D | D |
2 | A | C | A | A | E |
3 | C | E | E | C | B |
4 | C | E | C | E | A |
5 | E | E | C | D | B |
6 | B | D | A | D | C |
7 | E | D | C | A | C |
8 | B | B | C | A | D |
9 | D | C | B | D | B |
10 | D | D | E | C | C |
11 | B | D | E | D | E |
12 | B | E | B | B | C |
13 | E | D | B | B | D |
14 | B | B | C | D | C |
15 | E | B | D | E | D |
16 | C | B | E | C | E |
17 | E | E | D | B | C |
18 | C | C | C | C | A |
19 | C | C | E | D | E |
20 | A | D | E | D | E |
21 | A | C | B | A | B |
22 | B | B | C | D | B |
23 | E | B | B | B | C |
24 | E | A | B | B | A |
25 |
| C | A | A | C |
26 |
| A | C | A | B |
27 |
| D | A | B | A |
28 |
| D | E | D | B |
29 |
| A | C | A | A |
30 |
| C | C | E | D |
2003 Answer Key
Question # | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | E | C | C | D | E |
2 | C | A | D | A | A |
3 | D | A | C | B | D |
4 | A | C | E | D | B |
5 | C | B | E | E | D |
6 | D | A | A | A | A |
7 | C | E | B | E | A |
8 | C | D | C | E | D |
9 | C | A | E | E | A |
10 | C | C | D | C | B |
11 | D | C | C | E | C |
12 | A | B | E | B | E |
13 | C | D | E | B | E |
14 | A | C | C | B | A |
15 | B | B | E | D | C |
16 | C | D | D | B | E |
17 | D | B | E | D | E |
18 | E | B | B | C | A |
19 | E | B | C | E | D |
20 | A | A | A | D | B |
21 | B | C | D | B | B |
22 | D | D | B | A | B |
23 | A | D | D | D | E |
24 | B | B | D | C | A |
25 |
| D | D | D | E |
26 |
| E | C | C | B |
27 |
| A | B | D | D |
28 |
| D | B | C | C |
29 |
| C | D | E | C |
30 |
| B | A | C | D |
2002 Answer Key
Question # | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | B | B | A | E | B |
2 | C | C | A | E | B |
3 | D | D | D | C | A |
4 | D | E | C | C | D |
5 | D | C | D | C | D |
6 | C | D | A | D | C |
7 | A | D | E | C | D |
8 | B | C | C | A | C |
9 | C | E | A | E | A |
10 | E | B | C | E | D |
11 | C | C | B | A | C |
12 | A | A | E | C | E |
13 | E | C | A | D | E |
14 | B | E | B | B | A |
15 | C | E | C | B | A |
16 | E | C | D | C | C |
17 | A | B | D | B | E |
18 | B | A | A | D | E |
19 | D | A | D | E | E |
20 | E | C | C | B | A |
21 | C | C | D | C | C |
22 | D | B | A | C | E |
23 | E | D | D | B | E |
24 | D | A | A | B | D |
25 |
| A | B | E | A |
26 |
| A | D | B | B |
27 |
| A | E | D | B |
28 |
| B | C | D | A |
29 |
| C | D | D | B |
30 |
| A | C | A | D |
2001 Answer Key
Question # | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | C | B | B | C | B |
2 | D | D | E | C | A |
3 | D | C | C | B | E |
4 | C | B | B | D | E |
5 | B | E | B | A | B |
6 | E | C | B | B | D |
7 | E | D | B | C | A |
8 | E | E | A | C | C |
9 | C | C | A | B | A |
10 | D | A | D | C | B |
11 | E | D | D | D | C |
12 | E | A | E | C | B |
13 | C | C | C | C | E |
14 | B | C | D | B | A |
15 | C | B | C | B | D |
16 | A | D | E | E | A |
17 | C | C | B | B | D |
18 | C | D | A | A | E |
19 | D | E | E | D | D |
20 | A | B | E | E | C |
21 | A | A | B | E | C |
22 | B | B | D | D | B |
23 | D | A | C | E | E |
24 | E | C | C | B | E |
25 |
| E | D | B | B |
26 |
| D | D | C | C |
27 |
| A | E | E | B |
28 |
| C | B | C | C |
29 |
| C | C | D | C |
30 |
| D | D | D | C |
2000 Answer Key
Question # | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | B | C | E | B | D |
2 | C | A | A | E | A |
3 | D | D | D | B | A |
4 | B | E | C | C | E |
5 | B | D | D | A | D |
6 | C | E | D | E | B |
7 | B | D | B | E | D |
8 | C | B | A | B | C |
9 | B | E | C | D | B |
10 | D | E | D | C | C |
11 | B | B | A | D | D |
12 | D | E | A | D | D |
13 | B | D | D | A | B |
14 | C | B | C | A | C |
15 | C | C | B | C | C |
16 | C | E | D | D | E |
17 | B | D | C | C | D |
18 | B | E | C | D | D |
19 | E | D | E | C | D |
20 | C | D | D | C | A |
21 | C | D | D | A | E |
22 | A | D | D | D | D |
23 | E | B | D | B | C |
24 | A | B | C | D | E |
25 |
| A | C | A | D |
26 |
| A | A | B | D |
27 |
| D | D | B | C |
28 |
| E | D | D | D |
29 |
| D | D | D | B |
30 |
| A | C | C | D |
1999 Answer Key
Question # | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | C | B | D | B | C |
2 | E | D | D | D | A |
3 | B | B | B | C | E |
4 | C | D | D | C | A |
5 | D | B | D | B | D |
6 | E | D | B | A | D |
7 | C | D | B | C | B |
8 | B | B | B | B | E |
9 | E | B | A | A | D |
10 | B | A | A | D | D |
11 | C | D | C | A | B |
12 | A | D | A | A | D |
13 | D | B | D | D | A |
14 | A | E | C | A | C |
15 | D | C | D | C | C |
16 | D | A | D | D | E |
17 | D | C | B | B | D |
18 | C | A | A | D | C |
19 | C | D | E | B | B |
20 | A | A | B | C | C |
21 | A | D | E | B | B |
22 | D | C | B | B | E |
23 | C | D | D | D | C |
24 | A | D | A | B | B |
25 |
| E | C | D | C |
26 |
| B | D | C | D |
27 |
| E | C | C | B |
28 |
| B | B | B | D |
29 |
| B | B | D | C |
30 |
| E | D | C | E |
1998 Answer Key
Question # | Level 3 & 4 | Level 5 & 6 | Level 7 & 8 | Level 9 & 10 | Level 11 & 12 |
1 | C | B | B | D | A |
2 | D | A | B | C | B |
3 | C | B | C | C | B |
4 | D | C | B | D | B |
5 | C | A | C | D | B |
6 | C | E | C | C | C |
7 | D | C | E | B | A |
8 | C | D | A | B | A |
9 | E | D | B | B | C |
10 | C | C | A | C | E |
11 | C | B | C | C | B |
12 | A | B | D | C | C |
13 | B | D | D | D | B |
14 | D | C | B | B | B |
15 | B | D | A | D | A |
16 | D | C | D | A | B |
17 | E | D | C | C | C |
18 | D | A | D | C | C |
19 | B | C | B | C | A |
20 | B | D | B | D | B |
21 | B | D | B | A | D |
22 |
| E | A | C | E |
23 |
| C | D | E | B |
24 |
| C | C | A | E |
25 |
| B | D | D | A |
26 |
| E | D | C | C |
27 |
| B | D | C | B |
28 |
| C | A | B | C |
29 |
| D | E | D | B |
30 |
| A | E | C | D |
