18 November 2020

• 00:3600:36, 18 November 2020 diff hist +69 2020 AMC 8 Problems/Problem 21 →Problem 21
• 00:3500:35, 18 November 2020 diff hist −12 2020 AMC 8 Problems/Problem 6 No edit summary
• 00:3400:34, 18 November 2020 diff hist −12 2020 AMC 8 Problems/Problem 5 →See also
• 00:3400:34, 18 November 2020 diff hist −12 2020 AMC 8 Problems/Problem 4 →See also
• 00:3400:34, 18 November 2020 diff hist −12 2020 AMC 8 Problems/Problem 3 →See also
• 00:3400:34, 18 November 2020 diff hist +17 2020 AMC 8 Problems/Problem 2 →See also
• 00:3300:33, 18 November 2020 diff hist −11 2020 AMC 8 Problems/Problem 11 No edit summary
• 00:3300:33, 18 November 2020 diff hist +452 N 2020 AMC 8 Problems/Problem 10 Created page with "==Problem 10== Zara has a collection of <math>4</math> marbles: an Aggie, a Bumblebee, a Steelie, and a Tiger. She wants to display them in a row on a shelf, but does not want..."
• 00:3200:32, 18 November 2020 diff hist +69 2020 AMC 8 Problems/Problem 9 No edit summary
• 00:3100:31, 18 November 2020 diff hist +573 N 2020 AMC 8 Problems/Problem 8 Created page with "==Problem 8== Ricardo has <math>2020</math> coins, some of which are pennies (<math>1</math>-cent coins) and the rest of which are nickels (<math>5</math>-cent coins). He has..."
• 00:2900:29, 18 November 2020 diff hist +70 2020 AMC 8 Problems/Problem 23 No edit summary
• 00:2900:29, 18 November 2020 diff hist 0 2020 AMC 8 Problems/Problem 22 →See also
• 00:2900:29, 18 November 2020 diff hist −54 2020 AMC 8 Problems/Problem 22 →Problem 22
• 00:2800:28, 18 November 2020 diff hist +125 2020 AMC 8 Problems/Problem 22 No edit summary
• 00:2700:27, 18 November 2020 diff hist −55 2020 AMC 8 Problems/Problem 22 →Problem 22
• 00:2700:27, 18 November 2020 diff hist +1,771 N 2020 AMC 8 Problems/Problem 22 Created page with "==Problem 22== When a positive integer <math>N</math> is fed into a machine, the output is a number calculated according to the rule shown below. [asy] size(300); defaultpen(..."
• 00:2400:24, 18 November 2020 diff hist −23 2020 AMC 8 Problems/Problem 21 →Problem 21
• 00:2400:24, 18 November 2020 diff hist +1,069 N 2020 AMC 8 Problems/Problem 21 Created page with "==Problem 21== A game board consists of <math>64</math> squares that alternate in color between black and white. The figure below shows square <math>P</math> in the bottom row..."
• 00:2300:23, 18 November 2020 diff hist +80 2020 AMC 8 Problems/Problem 25 No edit summary
• 00:2300:23, 18 November 2020 diff hist +72 2020 AMC 8 Problems/Problem 7 No edit summary
• 00:2200:22, 18 November 2020 diff hist +335 N 2020 AMC 8 Problems/Problem 7 Created page with "Problem 7 How many integers between <math>2020</math> and <math>2400</math> have four distinct digits arranged in increasing order? (For example, <math>2347</math> is one inte..."
• 00:2200:22, 18 November 2020 diff hist +1 2020 AMC 8 Problems/Problem 14 →Solution 1
• 00:2100:21, 18 November 2020 diff hist −1 2020 AMC 8 Problems/Problem 14 →Solution 1
• 00:2100:21, 18 November 2020 diff hist −10 2020 AMC 8 Problems/Problem 14 →Solution 1
• 00:2100:21, 18 November 2020 diff hist +71 2020 AMC 8 Problems/Problem 15 No edit summary
• 00:2100:21, 18 November 2020 diff hist +79 2020 AMC 8 Problems/Problem 15 No edit summary
• 00:2000:20, 18 November 2020 diff hist +71 2020 AMC 8 Problems/Problem 19 →Solution 1
• 00:1800:18, 18 November 2020 diff hist +8 2020 AMC 8 Problems/Problem 20 No edit summary
• 00:1700:17, 18 November 2020 diff hist −10 2020 AMC 8 Problems/Problem 20 →Problem 20
• 00:1700:17, 18 November 2020 diff hist +81 2020 AMC 8 Problems/Problem 20 →Problem 20
• 00:1600:16, 18 November 2020 diff hist +942 N 2020 AMC 8 Problems/Problem 20 Created page with "==Problem 20== A scientist walking through a forest recorded as integers the heights of <math>5</math> trees standing in a row. She observed that each tree was either twice as..."

8 November 2020

• 20:5420:54, 8 November 2020 diff hist +1,663 2019 AMC 8 Problems No edit summary

7 November 2020

• 16:3816:38, 7 November 2020 diff hist +403 2013 AMC 8 Problems No edit summary

4 November 2020

• 23:2423:24, 4 November 2020 diff hist −2 2019 AMC 8 Problems No edit summary
• 23:1723:17, 4 November 2020 diff hist −18 2015 AMC 8 Problems/Problem 8 No edit summary

2 November 2020

• 15:4715:47, 2 November 2020 diff hist +52 2020 AIME II Problems/Problem 12 →Solution 2 (Official MAA)

1 November 2020

• 11:5611:56, 1 November 2020 diff hist −1 2017 AMC 8 Problems/Problem 16 →Solution 1
• 11:5511:55, 1 November 2020 diff hist +1 2017 AMC 8 Problems/Problem 16 →Solution 1
• 11:5511:55, 1 November 2020 diff hist +1 2017 AMC 8 Problems/Problem 16 →Solution 1
• 11:5411:54, 1 November 2020 diff hist +2 2017 AMC 8 Problems/Problem 16 →Solution 1

21 June 2020

• 14:1914:19, 21 June 2020 diff hist +2,346 2020 AIME I Problems/Problem 8 →Solution 3 (Solution 1 faster)

18 June 2020

• 14:3314:33, 18 June 2020 diff hist +914 2020 AIME I Problems/Problem 7 →Solution 4
• 14:1214:12, 18 June 2020 diff hist +1,782 2020 AIME I Problems/Problem 6 →Solution
• 14:0214:02, 18 June 2020 diff hist +2,016 2020 AIME I Problems/Problem 5 →Solution 4 (No overcounting)
• 13:4813:48, 18 June 2020 diff hist +697 2020 AIME I Problems/Problem 4 →Solution
• 13:3913:39, 18 June 2020 diff hist +890 2020 AIME I Problems/Problem 3 →Solution
• 13:3313:33, 18 June 2020 diff hist +560 2020 AIME I Problems/Problem 2 →Solution 6
• 11:5811:58, 18 June 2020 diff hist +1,152 2020 AIME I Problems/Problem 1 →Solution 2
• 11:4911:49, 18 June 2020 diff hist +1,596 2020 AIME II Problems/Problem 15 →Solution
• 11:4011:40, 18 June 2020 diff hist +1,728 2020 AIME II Problems/Problem 14 →Solution