Answer sheet
Trap problems
20 problems · 60 minutes. Print this, do the paper, then type the answers in to have it scored and filed.
The marking key prints on its own sheet, after the answer sheet. Keep that page — it carries the correct answers and each problem's topic.
Trap problems — answer sheetAMC 10 Step by Step
Name: Date: September 13, 2026
| 1 | ABCDE |
| 2 | ABCDE |
| 3 | ABCDE |
| 4 | ABCDE |
| 5 | ABCDE |
| 6 | ABCDE |
| 7 | ABCDE |
| 8 | ABCDE |
| 9 | ABCDE |
| 10 | ABCDE |
| 11 | ABCDE |
| 12 | ABCDE |
| 13 | ABCDE |
| 14 | ABCDE |
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| 16 | ABCDE |
| 17 | ABCDE |
| 18 | ABCDE |
| 19 | ABCDE |
| 20 | ABCDE |
Correct ____ × 6 = ______Blank ____ × 1.5 = ______Score ________
Trap problems — marking keyAMC 10 Step by Step
Name: Date: September 13, 2026
Keep this sheet. The topic column says what to practise next, not just what was wrong.
Marking key
| # | Answer | Topic | Difficulty |
|---|---|---|---|
| 1 | D | Statistics & Data | 2 / 5 |
| 2 | D | Algebraic Manipulation | 2 / 5 |
| 3 | A | Linear Equations & Word Problems | 2 / 5 |
| 4 | A | Arrangements with Restrictions | 2 / 5 |
| 5 | B | Basic Probability | 2 / 5 |
| 6 | E | Ratios, Percents & Averages | 2 / 5 |
| 7 | C | Ratios, Percents & Averages | 2 / 5 |
| 8 | B | Linear Equations & Word Problems | 2 / 5 |
| 9 | D | Diophantine Equations | 2 / 5 |
| 10 | B | Divisibility & Factors | 2 / 5 |
| 11 | D | Bases & Digits | 3 / 5 |
| 12 | E | Coordinate Geometry | 3 / 5 |
| 13 | B | Conditional Probability & States | 3 / 5 |
| 14 | E | Basic Counting | 3 / 5 |
| 15 | C | Coordinate Geometry | 3 / 5 |
| 16 | D | Diophantine Equations | 3 / 5 |
| 17 | E | Statistics & Data | 4 / 5 |
| 18 | D | Circles | 4 / 5 |
| 19 | B | Basic Counting | 4 / 5 |
| 20 | E | Circles | 4 / 5 |