15 March 2022

• 22:0422:04, 15 March 2022 diff hist +89 m 2019 AMC 10A Problems/Problem 4 →Solution

24 December 2021

• 13:0513:05, 24 December 2021 diff hist +5 m 2020 AMC 12B Problems/Problem 5 →Solution 3 (Answer Choices: Substitutions)

10 September 2021

• 11:1311:13, 10 September 2021 diff hist +14 m 2021 AMC 10B Problems/Problem 7 →Solution

9 September 2021

• 18:2418:24, 9 September 2021 diff hist +8 m 2021 AMC 10B Problems/Problem 2 →Solution 1

8 September 2021

• 17:4217:42, 8 September 2021 diff hist +5 m 2020 AMC 10B Problems/Problem 10 →Solution 1

6 September 2021

• 17:0617:06, 6 September 2021 diff hist −148 m 2020 AMC 10B Problems/Problem 5 →Solution 2

5 September 2021

• 12:2012:20, 5 September 2021 diff hist +65 m 2019 AMC 10B Problems/Problem 14 →Solution 1
• 12:1512:15, 5 September 2021 diff hist +10 m 2019 AMC 10B Problems/Problem 14 →Solution 1

4 September 2021

• 02:1602:16, 4 September 2021 diff hist −29 m 2019 AMC 10B Problems/Problem 8 →Solution 1

3 September 2021

• 14:1414:14, 3 September 2021 diff hist +29 m 2019 AMC 10B Problems/Problem 5 →Counterexamples
• 14:0614:06, 3 September 2021 diff hist −57 m 2019 AMC 10B Problems/Problem 5 →Counterexamples
• 12:2012:20, 3 September 2021 diff hist −59 m 2019 AMC 10B Problems/Problem 5 →Counterexamples
• 12:1712:17, 3 September 2021 diff hist −53 m 2019 AMC 10B Problems/Problem 5 →Counterexamples

2 September 2021

• 12:2812:28, 2 September 2021 diff hist −2 m 2018 AMC 10B Problems/Problem 11 →Solution 2 (Answer Choices)

1 September 2021

• 15:3315:33, 1 September 2021 diff hist −111 m 2018 AMC 10B Problems/Problem 6 →Solution 2

24 August 2021

• 14:1514:15, 24 August 2021 diff hist −42 2011 AMC 10B Problems/Problem 12 →Solution 2
• 14:1414:14, 24 August 2021 diff hist +33 m 2011 AMC 10B Problems/Problem 12 →Solution 2

22 August 2021

• 23:1323:13, 22 August 2021 diff hist +2 m 2012 AMC 10A Problems/Problem 12 →Solution

20 August 2021

• 14:4314:43, 20 August 2021 diff hist −116 m 2012 AMC 10A Problems/Problem 9 →Solution

19 August 2021

• 23:0623:06, 19 August 2021 diff hist 0 m 2011 AMC 10A Problems/Problem 13 →Solution
• 18:0118:01, 19 August 2021 diff hist −23 m 2011 AMC 12A Problems/Problem 1 →Solution
• 00:3600:36, 19 August 2021 diff hist +25 m 2017 AMC 10B Problems/Problem 13 →Solution 3 (Algebra)

18 August 2021

• 17:4217:42, 18 August 2021 diff hist +22 m 2017 AMC 10B Problems/Problem 13 →Solution 2 (Subtraction)
• 12:2712:27, 18 August 2021 diff hist −95 m 2017 AMC 10B Problems/Problem 1 →Solution 1

17 August 2021

• 12:0012:00, 17 August 2021 diff hist +17 m 2017 AMC 10B Problems/Problem 9 →Solution 2 (complementary counting)
• 11:5811:58, 17 August 2021 diff hist +125 m 2017 AMC 10B Problems/Problem 9 →Solution 2 (complementary counting)
• 11:5011:50, 17 August 2021 diff hist −22 m 2017 AMC 10B Problems/Problem 9 →Solution 2 (complementary counting)

12 August 2021

• 13:3213:32, 12 August 2021 diff hist +3 m 2014 AMC 10B Problems/Problem 11 →Solution 1
• 12:3312:33, 12 August 2021 diff hist −72 m 2014 AMC 10B Problems/Problem 10 →Solution
• 12:3212:32, 12 August 2021 diff hist −108 m 2014 AMC 10B Problems/Problem 10 →Solution

11 August 2021

• 18:2018:20, 11 August 2021 diff hist −10 m 2013 AMC 10B Problems/Problem 12 →Solution 3
• 18:0518:05, 11 August 2021 diff hist −11 m 2013 AMC 10B Problems/Problem 12 →Solution 3

8 August 2021

• 19:4219:42, 8 August 2021 diff hist +6 m 2020 AMC 10A Problems/Problem 15 →Solution
• 18:5318:53, 8 August 2021 diff hist −10 m 2020 AMC 10A Problems/Problem 10 →Solution 1
• 18:2018:20, 8 August 2021 diff hist +2 m 2020 AMC 10A Problems/Problem 10 →Solution 1
• 18:0718:07, 8 August 2021 diff hist 0 m 2020 AMC 10A Problems/Problem 10 →Solution 1

6 August 2021

• 17:3517:35, 6 August 2021 diff hist +2 m 2019 AMC 10A Problems/Problem 11 →Solution 1

5 August 2021

• 14:3514:35, 5 August 2021 diff hist −8 m 2019 AMC 10A Problems/Problem 14 →Solution
• 14:2514:25, 5 August 2021 diff hist +6 m 2019 AMC 10A Problems/Problem 14 →Solution

3 August 2021

• 11:0711:07, 3 August 2021 diff hist −1,216 m 2018 AMC 10A Problems/Problem 15 →Solution 2

2 August 2021

• 14:5614:56, 2 August 2021 diff hist 0 m 2018 AMC 10A Problems/Problem 4 →Solution 3
• 14:5614:56, 2 August 2021 diff hist −1,069 m 2018 AMC 10A Problems/Problem 4 →Solution 2

31 July 2021

• 23:3423:34, 31 July 2021 diff hist +59 m 2017 AMC 10A Problems/Problem 12 →Solution
• 22:5822:58, 31 July 2021 diff hist −85 m 2017 AMC 10A Problems/Problem 12 No edit summary
• 22:3322:33, 31 July 2021 diff hist +8 m 2017 AMC 10A Problems/Problem 11 →Solution 1
• 22:1822:18, 31 July 2021 diff hist −11 m 2017 AMC 10A Problems/Problem 11 →Solution 1

29 July 2021

• 16:1016:10, 29 July 2021 diff hist 0 m 2016 AMC 10A Problems/Problem 9 →Solution 1
• 16:0616:06, 29 July 2021 diff hist +7 m 2016 AMC 10A Problems/Problem 9 →Solution 1

28 July 2021

• 19:5519:55, 28 July 2021 diff hist +27 m 2015 AMC 10A Problems/Problem 12 →Solution 1
• 13:3013:30, 28 July 2021 diff hist +3 m 2015 AMC 10A Problems/Problem 10 →Solution