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- 17:00, 11 October 2025 AoPS Wiki (hist) [152 bytes] Aoum (talk | contribs) (Created page with "The '''AoPS Wiki''' project is administered by the Art of Problem Solving for supporting educational content useful to avid math students. {{stub}}")
- 05:32, 10 October 2025 Desargue's Theorem (hist) [6,359 bytes] Maphycom (talk | contribs) (Created page with "== Introduction == Desargues' Theorem is a renowned theorem that relates the axis and the center of perspective of two triangles. Therefore, before we dive into Desargues' The...")
- 10:25, 7 October 2025 2025 CEMC Gauss (Grade 7) Problems/Problem 1 (hist) [451 bytes] Anabel.disher (talk | contribs) (Created page with "== Problem== In a group of <math>12</math> friends, each friend gives <math>\$5</math> to a charity. How much money does the group give in total? <math> \textbf{(A)}\ \$50\qq...")
- 10:21, 7 October 2025 2025 CEMC Gauss (Grade 7) (hist) [1,716 bytes] Anabel.disher (talk | contribs) (Created page with "2025 CEMC Gauss (Grade 7) problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2025...")
- 10:20, 7 October 2025 2024 CEMC Gauss (Grade 7) (hist) [1,716 bytes] Anabel.disher (talk | contribs) (Created page with "2024 CEMC Gauss (Grade 7) problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2024...")
- 10:20, 7 October 2025 2023 CEMC Gauss (Grade 7) (hist) [1,716 bytes] Anabel.disher (talk | contribs) (Created page with "2023 CEMC Gauss (Grade 7) problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2023...")
- 10:19, 7 October 2025 2022 CEMC Gauss (Grade 7) (hist) [1,716 bytes] Anabel.disher (talk | contribs) (Created page with "2022 CEMC Gauss (Grade 7) problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2022...")
- 10:18, 7 October 2025 2021 CEMC Gauss (Grade 7) (hist) [1,716 bytes] Anabel.disher (talk | contribs) (Created page with "2021 CEMC Gauss (Grade 7) problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2021...")
- 10:17, 7 October 2025 2020 CEMC Gauss (Grade 7) (hist) [1,716 bytes] Anabel.disher (talk | contribs) (Created page with "2020 CEMC Gauss (Grade 7) problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2020...")
- 10:16, 7 October 2025 2019 CEMC Gauss (Grade 7) (hist) [1,716 bytes] Anabel.disher (talk | contribs) (Created page with "2019 CEMC Gauss (Grade 7) problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2019...")
- 10:15, 7 October 2025 2018 CEMC Gauss (Grade 7) (hist) [1,716 bytes] Anabel.disher (talk | contribs) (Created page with "2018 CEMC Gauss (Grade 7) problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2018...")
- 10:14, 7 October 2025 2017 CEMC Gauss (Grade 7) (hist) [1,716 bytes] Anabel.disher (talk | contribs) (Created page with "2017 CEMC Gauss (Grade 7) problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2017...")
- 10:14, 7 October 2025 2016 CEMC Gauss (Grade 7) (hist) [1,716 bytes] Anabel.disher (talk | contribs) (Created page with "2016 CEMC Gauss (Grade 7) problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2016...")
- 10:11, 7 October 2025 2015 CEMC Gauss (Grade 7) (hist) [1,716 bytes] Anabel.disher (talk | contribs) (Created page with "2015 CEMC Gauss (Grade 7) problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * 2015...")
- 09:57, 7 October 2025 2011 CEMC Gauss (Grade 7) Problems/Problem 2 (hist) [360 bytes] Anabel.disher (talk | contribs) (Created page with "=== Problem === The value of <math> \sqrt {9 + 16} </math> is <cmath> \textbf {(A) 5.2} \ \ \ \textbf {(B) 7} \ \ \ \textbf {(C) 5.7} \ \ \ \textbf {(D) 25} \ \ \ \textbf {(...")
- 09:55, 7 October 2025 2011 CEMC Gauss (Grade 7) Problems/Problem 1 (hist) [371 bytes] Anabel.disher (talk | contribs) (moved)
- 17:55, 3 October 2025 Cramers rule: 1 (hist) [0 bytes] Aoum (talk | contribs) (Null edit to refresh stored data)
- 17:55, 3 October 2025 Pigeonhole principle: 1 (hist) [0 bytes] Aoum (talk | contribs) (Null edit to refresh stored data)
- 17:52, 3 October 2025 Puzzle competitions (hist) [8 bytes] Mrcosmic (talk | contribs) (Created page with "really really sorry, but nothing to see here")
- 07:07, 2 October 2025 1986 INMO (hist) [2,159 bytes] Ameya person (talk | contribs) (→Problem 1)
- 12:37, 1 October 2025 2014 CEMC Gauss (Grade 8) Problems/Problem 14 (hist) [1,216 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== Betty is making a sundae. She must randomly choose one flavour of ice cream (chocolate or vanilla or strawberry), one syrup (butterscotch or fudge) and one topping...")
- 12:21, 1 October 2025 2008 CEMC Gauss (Grade 8) Problems/Problem 7 (hist) [1,427 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The circle graph shows the favourite ice cream flavours of those surveyed. What fraction of people surveyed selected either chocolate or strawberry as their favour...")
- 12:20, 1 October 2025 2008 CEMC Gauss (Grade 8) Problems/Problem 4 (hist) [1,198 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The value of <math>(1 + 2)^2 - (1^2 + 2^2)</math> is <math> \text{ (A) }\ 14 \qquad\text{ (B) }\ 4 \qquad\text{ (C) }\ 2 \qquad\text{ (D) }\ 12 \qquad\text{ (E) }...")
- 12:20, 1 October 2025 2008 CEMC Gauss (Grade 8) Problems/Problem 3 (hist) [655 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In the diagram, <math>\angle PQR = 90^{\circ}</math>. {{Image needed}} The value of <math>x</math> is <math> \text{ (A) }\ 30 \qquad\text{ (B) }\ 60 \qquad\text{...")
- 12:19, 1 October 2025 2008 CEMC Gauss (Grade 8) Problems/Problem 2 (hist) [1,603 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== A regular polygon has perimeter <math>108 \text{cm}</math> and each side has length <math>12 \text{cm}</math>. How many sides does this polygon have? <math> \text...")
- 12:19, 1 October 2025 2008 CEMC Gauss (Grade 8) Problems/Problem 1 (hist) [1,160 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The value of <math>8 \times (6 - 4) + 2</math> is <math> \text{ (A) }\ 46 \qquad\text{ (B) }\ 20 \qquad\text{ (C) }\ 18 \qquad\text{ (D) }\ 12 \qquad\text{ (E) }\...")
- 12:17, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 1 (hist) [411 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The value of <math>1 + 3^{2}</math> is <math> \text{ (A) }\ 16 \qquad\text{ (B) }\ 10 \qquad\text{ (C) }\ 8 \qquad\text{ (D) }\ 6 \qquad\text{ (E) }\ 5 </math> ==...")
- 12:16, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 2 (hist) [428 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The value of <math>-10 + (-12)</math> is <math> \text{ (A) }\ 2 \qquad\text{ (B) }\ 22 \qquad\text{ (C) }\ -2 \qquad\text{ (D) }\ -22 \qquad\text{ (E) }\ 120 </ma...")
- 12:16, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 3 (hist) [1,719 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== Jack has a <math>3</math> litre jug of water. What is the maximum number of <math>0.5</math> litre bottles that he can completely fill? <math> \text{ (A) }\ 3 \qq...")
- 12:15, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 4 (hist) [1,383 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In the diagram, <math>AB</math> is a line segment. {{Image needed}} The value of <math>x</math> is <math> \text{ (A) }\ 128 \qquad\text{ (B) }\ 38 \qquad\text{ (C...")
- 12:14, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 5 (hist) [1,324 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== Rounded to <math>2</math> decimal places, <math>\frac79</math> is <math> \text{ (A) }\ 0.70 \qquad\text{ (B) }\ 0.77 \qquad\text{ (C) }\ 0.78 \qquad\text{ (D) }\...")
- 12:13, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 6 (hist) [902 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The graph shows the fuel used per <math>100</math> km of driving for five different vehicles. {{Image needed}} Which vehicle would travel the farthest using <math>...")
- 12:12, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 7 (hist) [1,252 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== Kayla went to the fair with <math>\$100</math>. She spent <math>\frac14</math> of her <math>\$100</math> on rides, and <math>\frac{1}{10}</math> of her <math>\$100...")
- 12:12, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 8 (hist) [1,133 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The number of faces (<math>F</math>), vertices (<math>V</math>), and edges (<math>E</math>) of a polyhedron are related by the equation <math>F + V - E = 2</math>....")
- 12:11, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 9 (hist) [926 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== If Jeff picks one letter randomly from the alphabet, what is the probability that the letter is in the word "probability"? <math> \text{ (A) }\ \frac{9}{26} \qqua...")
- 12:10, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 10 (hist) [1,361 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== If two numbers differ by <math>2</math> and their sum is <math>20</math>, the larger number is <math> \text{ (A) }\ 11 \qquad\text{ (B) }\ 10 \qquad\text{ (C) }\...")
- 12:09, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 11 (hist) [1,206 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The perimeter of <math>\Delta ABC</math> is <math>32</math>. If <math>\angle ABC = \angle ACB</math> and <math>BC = 12</math>, the length of <math>AB</math> is {{I...")
- 12:08, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 12 (hist) [1,280 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== A temperature measured in degrees Celsius (<math>C</math>) can be converted to degrees Fahrenheit (<math>F</math>) using the formula <math>F = \frac{9}{5}C + 32</m...")
- 12:07, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 13 (hist) [1,600 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In how many ways can <math>101</math> can be expressed as the sum of two integers, both greater than zero, with the second integer greater than the first? <math>...")
- 12:05, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 14 (hist) [1,301 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== Vanessa set a school record for the most points in a single basketball game when her team scored <math>48</math> points. The other six players on her team averaged...")
- 12:05, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 15 (hist) [1,618 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In rectangle <math>PQRS</math>, <math>PQ = 12</math> and <math>PR = 13</math>. The area of rectangle <math>PQRS</math> is {{Image needed}} <math> \text{ (A) }\ 30...")
- 12:02, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 16 (hist) [1,313 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== When it is 3:00 p.m. in Victoria, it is 6:00 p.m. in Timmins. Stefan’s flight departed at 6:00 a.m. local Victoria time and arrived at 4:00 p.m. local Timmins ti...")
- 12:01, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 17 (hist) [1,723 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== A jar contains quarters (worth <math>\$0.25</math> each), nickels (worth <math>\$0.05</math> each), and pennies (worth <math>\$0.01</math> each). The value of the...")
- 11:48, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 23 (hist) [1,663 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In the diagram, the circle is ''inscribed'' in the square. This means that the circle and the square share points <math>S</math>, <math>T</math>, <math>U</math>, a...")
- 11:46, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 22 (hist) [1,077 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== A dollar sign is formed by drawing two parallel vertical lines through the letter '''S''', as shown. These lines cut the letter '''S''' into <math>7</math> pieces....")
- 11:43, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 21 (hist) [1,027 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The product of four ''different'' positive integers is <math>360</math>. What is the maximum possible sum of these four integers? <math> \text{ (A) }\ 68 \qquad\t...")
- 09:51, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 20 (hist) [1,517 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== A piece of string fits exactly once around the perimeter of a square whose area is <math>144</math>. Rounded to the nearest whole number, the area of the largest c...")
- 09:50, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 19 (hist) [2,377 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In the addition shown, <math>P</math>, <math>Q</math>, and <math>R</math> each represent a single digit, and the sum is <math>2009</math>. <cmath>\begin{array}{r...")
- 09:48, 1 October 2025 2009 CEMC Gauss (Grade 8) Problems/Problem 18 (hist) [1,175 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In a class of <math>40</math> students, <math>18</math> said they liked apple pie, <math>15</math> said they liked chocolate cake and <math>12</math> said they did...")
- 21:19, 30 September 2025 The World’s Largest Countdown Round (hist) [45 bytes] Charking (talk | contribs) (Add redirect) (Tag: New redirect)
