Answer sheet
2012 AMC 10B
25 problems · 75 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.
2012 AMC 10B — answer sheetAMC 10 Step by Step
Name: Date: September 13, 2026
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Correct ____ × 6 = ______Blank ____ × 1.5 = ______Score ________
2012 AMC 10B — 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 | C | Linear Equations & Word Problems | 1 / 5 |
| 2 | E | Quadrilaterals & Polygon Areas | 1 / 5 |
| 3 | B | Coordinate Geometry | 1 / 5 |
| 4 | A | Modular Arithmetic | 1 / 5 |
| 5 | D | Ratios, Percents & Averages | 1 / 5 |
| 6 | A | Absolute Value & Inequalities | 1 / 5 |
| 7 | D | Linear Equations & Word Problems | 1 / 5 |
| 8 | B | Absolute Value & Inequalities | 2 / 5 |
| 9 | A | Number Properties | 2 / 5 |
| 10 | D | Divisibility & Factors | 2 / 5 |
| 11 | A | Arrangements with Restrictions | 2 / 5 |
| 12 | B | Triangles: Area & Pythagorean | 2 / 5 |
| 13 | B | Linear Equations & Word Problems | 2 / 5 |
| 14 | D | Quadrilaterals & Polygon Areas | 3 / 5 |
| 15 | D | Games & Processes | 3 / 5 |
| 16 | A | Circles | 2 / 5 |
| 17 | C | Solid Geometry | 3 / 5 |
| 18 | C | Conditional Probability & States | 3 / 5 |
| 19 | C | Quadrilaterals & Polygon Areas | 3 / 5 |
| 20 | A | Games & Processes | 3 / 5 |
| 21 | A | Triangles: Area & Pythagorean | 3 / 5 |
| 22 | B | Arrangements with Restrictions | 4 / 5 |
| 23 | D | Solid Geometry | 4 / 5 |
| 24 | B | Basic Counting | 4 / 5 |
| 25 | E | Paths & Grids | 5 / 5 |