2010 Chapter Answers.pdf
2010 Chapter Answers.pdf
2010 Chapter Answers.pdf
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Sprint Round<br />
1. _________________<br />
3<br />
7. $ _________________<br />
3.15<br />
13. _________________<br />
29<br />
2. _________________<br />
10 integers<br />
4<br />
8. _________________<br />
3<br />
14. _________________<br />
5<br />
3. _________________<br />
6<br />
quarts<br />
9. _________________<br />
738<br />
15. _________________<br />
16 integers<br />
10. _________________<br />
120 jelly beans<br />
16. _________________<br />
18<br />
days<br />
4. _________________<br />
11<br />
11. _________________<br />
83<br />
points<br />
17. _________________<br />
22 seconds<br />
5. _________________<br />
24<br />
tiles<br />
6. _________________<br />
126 degrees<br />
12. _________________<br />
132 degrees<br />
8<br />
18. _________________<br />
15<br />
Copyright MATHCOUNTS, Inc. 2009. All rights reserved. <strong>2010</strong> <strong>Chapter</strong> Answer Key
Sprint Round<br />
19. _________________<br />
1250<br />
25. _________________<br />
5 + 4 3 or<br />
4 3 + 5<br />
20. _________________<br />
24 subsets<br />
21. _________________<br />
4<br />
26. _________________<br />
200 sq units<br />
8<br />
22. _________________<br />
3<br />
5<br />
−<br />
27. _________________<br />
3<br />
28. _________________<br />
44<br />
23. _________________<br />
18 sq units<br />
29. _________________<br />
36 degrees<br />
24. _________________<br />
27 people<br />
30. _________________<br />
182<br />
Copyright MATHCOUNTS, Inc. 2009. All rights reserved. <strong>2010</strong> <strong>Chapter</strong> Answer Key
Target Round<br />
1. ________________<br />
$ 1.50 3. ________________<br />
22<br />
% 5. ________________<br />
43<br />
3<br />
7. ________________<br />
5<br />
2. ________________<br />
69 sq units<br />
4. ________________<br />
6 6. ________________<br />
20 % 8. ________________<br />
4 ordered<br />
pairs<br />
Copyright MATHCOUNTS, Inc. 2009. All rights reserved. <strong>2010</strong> <strong>Chapter</strong> Answer Key
Team Round<br />
1. _________________<br />
6<br />
points<br />
6. _________________<br />
20<br />
7. _________________<br />
40,000<br />
2. _________________<br />
16 sequences<br />
8. _________________<br />
3<br />
dimes<br />
3. _________________<br />
40 sq units<br />
1<br />
9. _________________<br />
792<br />
4. _________________<br />
19,900<br />
10. _________________<br />
36 3 sq inches<br />
5. _________________<br />
6<br />
sets<br />
Copyright MATHCOUNTS, Inc. 2009. All rights reserved. <strong>2010</strong> <strong>Chapter</strong> Answer Key
Countdown Round<br />
1. _________________<br />
150 (dollars)<br />
1<br />
2. _________________<br />
7<br />
3. _________________<br />
31 (units)<br />
4. _________________<br />
(−2, −2)<br />
5. _________________<br />
32 (gallons)<br />
6. _________________<br />
6 (combinations)<br />
7. _________________<br />
3 (balls)<br />
8. _________________<br />
0<br />
9. _________________<br />
−33<br />
1<br />
10. _________________<br />
2<br />
11. _________________<br />
24<br />
12. _________________<br />
37<br />
13. _________________<br />
51,000,000 or<br />
51 million (votes)<br />
14. _________________<br />
10<br />
15. _________________<br />
125 (percent)<br />
16. _________________<br />
192<br />
17. _________________<br />
200 (minutes)<br />
18. _________________<br />
43 (cups)<br />
19. _________________<br />
120 (degrees)<br />
17<br />
20. _________________<br />
24<br />
21. _________________<br />
36 (miles)<br />
22. _________________<br />
10:12 (am)<br />
23. _________________<br />
39<br />
24. _________________<br />
10 (wands)<br />
25. _________________<br />
35<br />
26. _________________<br />
40 (percent)<br />
27. _________________<br />
90 (degrees)<br />
28. _________________<br />
−5<br />
29. _________________<br />
27 (people)<br />
30. _________________<br />
3 (values)<br />
31. _________________<br />
48 (cubic inches)<br />
32. _________________<br />
50<br />
33. _________________<br />
7 (subsets)<br />
34. _________________<br />
4 (values)<br />
35. _________________<br />
18 (units)<br />
36. _________________<br />
99 (students)<br />
37. _________________<br />
475 (seats)<br />
38. _________________<br />
18<br />
39. _________________<br />
7<br />
40. _________________<br />
4 (odd integers)<br />
Copyright MATHCOUNTS, Inc. 2009. All rights reserved. <strong>2010</strong> <strong>Chapter</strong> Answer Key
Countdown Round<br />
41. _________________<br />
18 (years)<br />
42. _________________<br />
−12<br />
43. _________________<br />
10<br />
44. _________________<br />
4800 (bacteria)<br />
45. _________________<br />
30 (degrees)<br />
46. _________________<br />
50,055<br />
47. _________________<br />
1280 (years 3 )<br />
48. _________________<br />
45<br />
49. _________________<br />
24 (percent)<br />
50. _________________<br />
1800 (degrees)<br />
51. _________________<br />
91<br />
52. _________________<br />
63<br />
53. _________________<br />
26<br />
54. _________________<br />
2 (units)<br />
55. _________________<br />
30 (three-digit integers)<br />
56. _________________<br />
66<br />
57. _________________<br />
500 (words per hour)<br />
58. _________________<br />
38 (centimeters)<br />
59. _________________<br />
8820<br />
60. _________________<br />
8 (vertices)<br />
61. _________________<br />
450 (cubic units)<br />
62. _________________<br />
8<br />
100 3<br />
63. _________________<br />
3 (sq feet)<br />
64. _________________<br />
18.18<br />
65. _________________<br />
3<br />
66. _________________<br />
20 (units)<br />
4<br />
67. _________________<br />
9<br />
68. _________________<br />
20<br />
69. _________________<br />
8<br />
70. _________________<br />
60 (degrees)<br />
71. _________________<br />
40 (percent)<br />
72. _________________<br />
42 (dollars)<br />
9<br />
73. _________________<br />
40<br />
2<br />
74. _________________<br />
3<br />
75. _________________<br />
18 (distinct factors)<br />
76. _________________<br />
140<br />
77. _________________<br />
23<br />
78. _________________<br />
−4<br />
79. _________________<br />
715<br />
80. _________________<br />
8 (years)<br />
Copyright MATHCOUNTS, Inc. 2009. All rights reserved. <strong>2010</strong> <strong>Chapter</strong> Answer Key
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