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- 10:52, 13 October 2025 Euclid 2019/Problem 5 (hist) [840 bytes] Baihly2024 (talk | contribs) (Created page with "==Problem== (a) Determine the two pairs of positive integers <math>(a,b)</math> with <math>a<b</math> that satisfy the equation <math>\sqrt a+\sqrt b=\sqrt 50</math>. (b) Co...")
- 10:42, 13 October 2025 Euclid 2019/Problem 2 (hist) [283 bytes] Yuhao2012 (talk | contribs) (Created page with "==Problem== (a) (b) (c)")
- 10:39, 13 October 2025 Euc20191/Sub-Problem 3 (hist) [370 bytes] Yuhao2012 (talk | contribs) (Created page with "==Problem== If <math>\frac{1}{x^2}-\frac{1}{x}=2</math>, determine all possible values of <math>x</math>. ==Solution== Let's start by multiplying both sides by <math>x^2</mat...")
- 09:52, 13 October 2025 Euc20191/Sub-Problem 2 (hist) [344 bytes] Baihly2024 (talk | contribs) (Created page with "==Problem== What integer <math>a</math> satisfies <math>3<\frac{24}{a}<4</math>?")
- 09:45, 13 October 2025 Euc20191/Sub-Problem 1 (hist) [556 bytes] Baihly2024 (talk | contribs) (Created page with "==Problem== <math>(a)</math> Joyce has two identical jars. The first jar is <math>\frac{3}{4}</math> full of water and contains <math>300</math> mL of water. The second jar i...")
- 13:54, 12 October 2025 2016 CEMC Gauss (Grade 8) Problems/Problem 10 (hist) [552 bytes] Anabel.disher (talk | contribs) (Created page with "== Problem== The circumference of a circle is <math>100\pi \text{cm}</math>. What is the radius of the circle? <math> \textbf{(A)}\ 20 \text {cm} \qquad\textbf{(B)}\ 100 \tex...")
- 13:49, 12 October 2025 2016 CEMC Gauss (Grade 8) Problems/Problem 9 (hist) [960 bytes] Anabel.disher (talk | contribs) (Created page with "== Problem== <math>10\%</math> of <math>200</math> is equal to <math>20\%</math> of <math> \textbf{(A)}\ 40 \qquad\textbf{(B)}\ 50 \qquad\textbf{(C)}\ 100 \qquad\textbf{(D)}\...")
- 13:44, 12 October 2025 2016 CEMC Gauss (Grade 8) Problems/Problem 8 (hist) [835 bytes] Anabel.disher (talk | contribs) (Created page with "== Problem== Gaby lists the numbers <math>3, 4, 5, 6, 7, 8, \text{and} 9</math>. In her list, the ratio of the number of prime numbers to the number of composite numbers is <...")
- 13:40, 12 October 2025 2016 CEMC Gauss (Grade 8) Problems/Problem 7 (hist) [911 bytes] Anabel.disher (talk | contribs) (Created page with "== Problem== A rectangle with a width of <math>2 \text{cm}</math> and a length of <math>18 \text{cm}</math> has the same area as a square with a side length of <math> \textbf...")
- 16:00, 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}}")
- 04:32, 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...")
- 09:25, 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...")
- 09:21, 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...")
- 09:20, 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...")
- 09:20, 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...")
- 09:19, 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...")
- 09:18, 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...")
- 09:17, 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...")
- 09:16, 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...")
- 09:15, 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...")
- 09:14, 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...")
- 09:14, 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...")
- 09:11, 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...")
- 08:57, 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 {(...")
- 08:55, 7 October 2025 2011 CEMC Gauss (Grade 7) Problems/Problem 1 (hist) [371 bytes] Anabel.disher (talk | contribs) (moved)
- 16:55, 3 October 2025 Cramers rule: 1 (hist) [0 bytes] Aoum (talk | contribs) (Null edit to refresh stored data)
- 16:55, 3 October 2025 Pigeonhole principle: 1 (hist) [0 bytes] Aoum (talk | contribs) (Null edit to refresh stored data)
- 16:52, 3 October 2025 Puzzle competitions (hist) [8 bytes] Mrcosmic (talk | contribs) (Created page with "really really sorry, but nothing to see here")
- 06:07, 2 October 2025 1986 INMO (hist) [2,159 bytes] Ameya person (talk | contribs) (→Problem 1)
- 11:37, 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...")
- 11:21, 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...")
- 11:20, 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) }...")
- 11:20, 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{...")
- 11:19, 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...")
- 11:19, 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) }\...")
- 11:17, 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> ==...")
- 11:16, 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...")
- 11:16, 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...")
- 11:15, 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...")
- 11:14, 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) }\...")
- 11:13, 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>...")
- 11:12, 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...")
- 11:12, 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>....")
- 11:11, 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...")
- 11:10, 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) }\...")
- 11:09, 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...")
- 11:08, 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...")
- 11:07, 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>...")
- 11:05, 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...")
- 11:05, 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...")
