New pages
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)
- 20:29, 15 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 20 (hist) [1,360 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The first 9 positive odd integers are placed in the magic square so that the sum of the numbers in each row, column and diagonal are equal. Find the value of A + E...")
- 20:04, 15 April 2025 2030 AMC 8 Problems/Problem 7 (hist) [22 bytes] Sky06 (talk | contribs) (Created page with "SOlution 11")
- 12:22, 15 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 18 (hist) [779 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The results of the hair colour of <math>600</math> people are shown in this circle graph. How many people have blonde hair? <math>\text{(A)}\ 30 \qquad \text{(B)}...")
- 11:43, 15 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 14 (hist) [666 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== Which of the following is an odd integer, contains the digit <math>5</math>, is divisible by <math>3</math>, and lies between <math>12^2</math> and <math>13^2</mat...")
- 11:24, 15 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 13 (hist) [631 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In the diagram, the percent of small squares that are shaded is <math>\text{(A)}\ 9 \qquad \text{(B)}\ 33 \qquad \text{(C)}\ 36 \qquad \text{(D)}\ 56.25 \qquad \t...")
- 11:14, 15 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 11 (hist) [1,683 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The floor of a rectangular room is covered with square tiles. The room is 10 tiles long and 5 tiles wide. The number of tiles that touch the walls of the room is...")
- 10:41, 15 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 8 (hist) [1,190 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The average of <math>10</math>, <math>4</math>, <math>8</math>, <math>7</math>, and <math>6</math> is <math>\text{(A)}\ 33 \qquad \text{(B)}\ 13 \qquad \text{(C...")
- 10:32, 15 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 7 (hist) [982 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== If the numbers, <math>\frac{4}{5}</math>, <math>81\%</math>, and <math>0.801</math> are arranged from smallest to largest, the correct order is <math>\text{(A)}\...")
- 10:26, 15 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 6 (hist) [585 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In <math>\Delta ABC</math>, <math>\angle B = 72^{\circ}</math>. What is the sum, in degrees, of the other two angles? <math>\text{(A)}\ 144 \qquad \text{(B)}\ 72...")
- 10:21, 15 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 5 (hist) [978 bytes] Anabel.disher (talk | contribs) (Created page with "== Problem== Which one of the following gives an odd integer? <math>\text{(A)}\ 6^2 \qquad \text{(B)}\ 23-17 \qquad \text{(C)}\ 9\times 24 \qquad \text{(D)}\ 96\div 8 \qquad...")
- 10:10, 15 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 4 (hist) [676 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== <math>1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{8}</math> is equal to <math>\text{(A)}\ \frac{15}{8} \qquad \text{(B)}\ 1\frac{3}{14} \qquad \text{(C)}\ \frac{11}{...")
- 10:04, 15 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 3 (hist) [944 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== Susan wants to place <math>35.5</math> kg of sugar in small bags. If each bag holds <math>0.5</math> kg, how many bags are needed? <math>\text{(A)}\ 36 \qquad \te...")
- 22:18, 14 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 2 (hist) [927 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The integer <math>287</math> is exactly divisible by <math>\text{(A)}\ 3 \qquad \text{(B)}\ 4 \qquad \text{(C)}\ 5 \qquad \text{(D)}\ 7 \qquad \text{(E)}\ 6 </mat...")
- 21:41, 14 April 2025 1999 CEMC Gauss (Grade 7) Problems/Problem 1 (hist) [1,070 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== <math>1999 - 999 + 99</math> equals <math>\text{(A)}\ 901 \qquad \text{(B)}\ 1099 \qquad \text{(C)}\ 1000 \qquad \text{(D)}\ 199 \qquad \text{(E)}\ 99 </math> ==...")
- 12:57, 11 April 2025 Cyclic polygon (hist) [1,913 bytes] Charking (talk | contribs) (Move from Cyclic)
- 10:05, 11 April 2025 2026 USAJMO (hist) [58 bytes] Maxamc (talk | contribs) (Created page with "The 17th USAJMO will be held on March 18th and 19th, 2025.")
- 13:21, 28 March 2025 2025 Illinois Kennedy Mathcounts (hist) [896 bytes] Stanleyhy123 (talk | contribs) (Created page with "==Kennedy Junior High School 2025 Illinois Mathcounts== Kennedy Junior High School in Illinois competed in the 2025 Mathcounts Competition, winning first in Chapter and second...")
- 20:20, 25 March 2025 Ben Kornell (hist) [172 bytes] Teslaspacex (talk | contribs) (Created page with "Ben Kornell was named the successor to Richard Rusczyk as CEO of AoPS on March 24th, 45^2.")
- 22:41, 24 March 2025 MATHCOUNTS historical results (hist) [8,727 bytes] Charking (talk | contribs) (Moved from MathCounts historical results)
- 21:35, 24 March 2025 American College Test (hist) [182 bytes] Charking (talk | contribs) (New page)
- 21:25, 24 March 2025 Testing strategy (hist) [3,405 bytes] Charking (talk | contribs) (Move from Contest strategies)
- 21:19, 24 March 2025 Congruence (modular arithmetic) (hist) [209 bytes] Charking (talk | contribs) (New page)
- 21:11, 24 March 2025 Congruence (geometry) (hist) [9,946 bytes] Charking (talk | contribs) (Move from Congruent (geometry) to make title a noun.)
- 13:37, 24 March 2025 22 (hist) [354 bytes] Charking (talk | contribs) (Move from Twenty-two)
- 13:04, 24 March 2025 Tangential quadrilateral (hist) [186 bytes] Charking (talk | contribs) (Move from Tangential Quadrilateral)
- 17:44, 22 March 2025 Pitot Theorem (hist) [828 bytes] Eevee9406 (talk | contribs) (Redirected page to The Pitot Theorem) (Tag: New redirect)
- 16:44, 22 March 2025 Ohio MathCounts (hist) [404 bytes] Andyluo (talk | contribs) (Created page with "Ohio Mathcounts State is located in the Columbus Community College and was during 3/15/2025 most recently. Ohio is around a tier 2/tier 3 state, and was 14th at nationals in...")
- 01:42, 22 March 2025 2025 USAJMO Problems/Problem 1 (hist) [1,775 bytes] Eevee9406 (talk | contribs) (Created page with "__TOC__ == Problem == Let <math>\mathbb Z</math> be the set of integers, and let <math>f\colon \mathbb Z \to \mathbb Z</math> be a function. Prove that there are infinitely m...")
- 01:41, 22 March 2025 2025 USAJMO Problems/Problem 3 (hist) [4,573 bytes] Eevee9406 (talk | contribs) (Created page with "__TOC__ == Problem == Let <math>m</math> and <math>n</math> be positive integers, and let <math>\mathcal R</math> be a <math>2m\times 2n</math> grid of unit squares. A domin...")
- 01:40, 22 March 2025 2025 USAJMO Problems/Problem 4 (hist) [847 bytes] Eevee9406 (talk | contribs) (Created page with "__TOC__ == Problem == Let <math>n</math> be a positive integer, and let <math>a_0,\,a_1,\dots,\,a_n</math> be nonnegative integers such that <math>a_0\ge a_1\ge \dots\ge a_n....")
- 01:39, 22 March 2025 2025 USAJMO Problems/Problem 6 (hist) [2,497 bytes] Eevee9406 (talk | contribs) (Created page with "__TOC__ == Problem == Let <math>S</math> be a set of integers with the following properties: <math>\bullet</math> <math>\{ 1, 2, \dots, 2025 \} \subseteq S</math>. <math>\b...")
- 01:37, 22 March 2025 2025 USAMO Problems/Problem 6 (hist) [4,018 bytes] Eevee9406 (talk | contribs) (Created page with "__TOC__ == Problem == Let <math>m</math> and <math>n</math> be positive integers with <math>m\geq n</math>. There are <math>m</math> cupcakes of different flavors arranged ar...")
- 01:36, 22 March 2025 2025 USAMO Problems/Problem 5 (hist) [453 bytes] Eevee9406 (talk | contribs) (Created page with "__TOC__ == Problem == Determine, with proof, all positive integers <math>k</math> such that<cmath>\frac{1}{n+1} \sum_{i=0}^n \binom{n}{i}^k</cmath>is an integer for every pos...")
- 01:35, 22 March 2025 2025 USAMO Problems/Problem 3 (hist) [5,033 bytes] Eevee9406 (talk | contribs) (Created page with "__TOC__ == Problem == Alice the architect and Bob the builder play a game. First, Alice chooses two points <math>P</math> and <math>Q</math> in the plane and a subset <math>\...")
- 01:35, 22 March 2025 2025 USAMO Problems/Problem 2 (hist) [2,149 bytes] Eevee9406 (talk | contribs) (Created page with "__TOC__ == Problem == Let <math>n</math> and <math>k</math> be positive integers with <math>k<n</math>. Let <math>P(x)</math> be a polynomial of degree <math>n</math> with re...")
- 01:33, 22 March 2025 2025 USAMO Problems/Problem 4 (hist) [6,267 bytes] Eevee9406 (talk | contribs) (Created page with "{{duplicate|2025 USAMO #4 and 2025 USAJMO #5}} __TOC__ == Problem == Let <math>H</math> be the orthocente...")
- 01:29, 22 March 2025 2025 USAMO Problems/Problem 1 (hist) [2,154 bytes] Eevee9406 (talk | contribs) (Created page with "{{duplicate|2025 USAMO/1 and 2025 USAJMO/2}} __TOC__ == Problem == Let <math>k</math> and <math>d</math>...")
- 01:05, 22 March 2025 2025 USAMO (hist) [625 bytes] Eevee9406 (talk | contribs) (Created page with "The 54th '''USAMO''' was held on March 19 and March 20, 2025. The first link contains the full set of test problems. The rest will contain each individual problem and its solu...")
- 13:14, 20 March 2025 Iberoamerican Mathematical Olympiad (hist) [4,092 bytes] Charking (talk | contribs) (Merge Iberoamerican Math Olympiad and Olimpiada Iberoamericana de Matemáticas (More consistent naming))
- 10:40, 20 March 2025 2024 DMC Mock 10 Problems/Problem 15 (hist) [1,158 bytes] Eevee9406 (talk | contribs) (Created page with "==Problem== Shreyan and Kaylee are on opposite vertices of a cube. Each turn, they both randomly move across an adjacent edge to another vertex with equal probability. What is...")
- 01:06, 20 March 2025 2024 DMC Mock 10 Problems/Problem 16 (hist) [796 bytes] Eevee9406 (talk | contribs) (Created page with "==Problem== Let <math>(x,y)</math> be real numbers which satisfy <math>(x-48)^2+(y-14)^2=169</math>. What is the maximum possible value of <math>\sqrt{x^2+y^2}</math>? <math>...")
- 00:32, 20 March 2025 2024 DMC Mock 10 Problems/Problem 21 (hist) [900 bytes] Eevee9406 (talk | contribs) (Created page with "==Problem== Given that <math>r,s,t</math> are the three solutions of <math>x^3-2x^2-3x+5=0</math>, find <math>r^4+s^4+t^4</math>. <math>\textbf{(A)}\ 38\qquad\textbf{(B)}\ 39...")
- 00:24, 20 March 2025 2024 DMC Mock 10 Problems/Problem 20 (hist) [1,133 bytes] Eevee9406 (talk | contribs) (Created page with "==Problem== If <cmath>a+8b+27c+64d=2</cmath> <cmath>8a+27b+64c+125d=20</cmath> <cmath>27a+64b+125c+216d=202</cmath> <cmath>64a+125b+216c+343d=2024</cmath> then find the remain...")
- 00:13, 20 March 2025 2024 DMC Mock 10 Problems/Problem 19 (hist) [2,065 bytes] Eevee9406 (talk | contribs) (Created page with "==Problem== The city of Dallas is issuing new <math>6</math>-digit license plates. To make keeping track of different license places easier, each license plate much differ fro...")
- 00:05, 20 March 2025 2024 DMC Mock 10 Answer Key (hist) [99 bytes] Eevee9406 (talk | contribs) (Created page with "# C # E # E # B # D # B # C # B # D # C # D # C # B # D # B # D # A # C # D # E # E # C # B # D # A")
- 00:03, 20 March 2025 2024 DMC Mock 10 (hist) [1,834 bytes] Eevee9406 (talk | contribs) (Created page with "'''2024 DMC Mock 1 AMC 10''' problems and solutions. The test was administered on Saturday, September 14, 2024 at the University of Texas at Dallas. The first link contains th...")
- 21:46, 19 March 2025 Chinese Mathematical Olympiad (hist) [918 bytes] Charking (talk | contribs) (New page)
- 21:45, 19 March 2025 Chinese MO Problems and Solutions (hist) [951 bytes] Charking (talk | contribs) (Move from CMO (China Mathematics Olympiad 中国数学奥林匹克))
- 21:08, 19 March 2025 2001 SMT/Algebra Problems/Problem 2 (hist) [1,001 bytes] Eevee9406 (talk | contribs) (Created page with "==Problem== Each valve <math>A</math>, <math>B</math>, and <math>C</math>, when open, releases water into a tank at its own constant rate. With all three valves open, the tank...")
- 21:05, 19 March 2025 2001 SMT/Algebra Problems/Problem 3 (hist) [753 bytes] Eevee9406 (talk | contribs) (Created page with "==Problem== Julie has a 12 foot by 20 foot garden. She wants to put fencing around it to keep out the neighbour’s dog. Normal fenceposts cost $<math>2</math> each while str...")
