The Mystery of the Missing Percentage Sign

@annlovesmaths.bsky.social

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One of the most famous buildings linked to parametricism is the Heydar Aliyev Center (shown in this photo). Parametricism is a style of architecture that results from using parametric design tools to create a building. https://www.dezeen.com/2026/05/06/parametricism-simple-guide
The Mr Barton Maths website has just had a massive update. https://mrbartonmaths.com/
A picture which shows an array of eyelashes (winks) and the word ‘winks’. I wonder if there are 40?
The image is a screenshot of the ‘Specials’ web page, showing the games available there. The Formula-trainer game has been outlined in red.
A game from Henk Reuling where the player has to identify the Modulus graph displayed.
Using the @howiehua.bsky.social grid method to calculate the Frobenius number of 3 and 5. The interactive number grid is from @transum.bsky.social https://www.transum.org/maths/activity/number/grid/
A game of Killer Suduko with Difficulty ‘Expert’. The expert grid is always empty at the start. The usual rules of Sudoku apply. The rule of 45 might be helpful here.
We are given the maths question ‘Integrate the fraction with a numerator of x and denominator of x+4 with respect to x’ The numerator x is rewritten as x + 4 - 4, by introducing a zero pair +4 - 4.
The solution to the Poisoned Wine Puzzle can be modelled using a Venn Diagram with 3 circles. This Venn Diagram has 8 regions with exactly one bottle in each region. Each prisoner will drink from 4 bottles of wine. If we know which prisoners die, we can identify the specific region of the Venn diagram and hence we know which bottle of wine is poisoned.
The book cover for Muybridge by Guy Delisle.
Join Professor Mahesh Sharma’s classes on Saturdays and Sundays from 8-9 AM EST Saturdays: Numeracy and dyscalculia prevention for young children. Sundays: Effective methods to teach mathematics Beginning from September 13 and 14, 2025. Zoom ID: 5084944608 Passcode: mathforall
Professor Mahesh Sharma's Masterclass on math ed, focusing on dyscalculia and other learning difficulties in math. Every Sunday Time: 8:00 - 9:00 AM EST September 7, 2025: Topic: Decimal Numbers are Tools for Mathematics and Science? Zoom ID: 5084944608 Passcode: mathforall
Prof Mahesh Sharma on math education & dyscalculia Every Sunday Time: 8:00 - 9:00 AM EST June 15, 2025: Operations on Fractions Zoom ID: 5084944608 Passcode: mathforall Enhance your understanding of math concepts and teaching strategies with this insightful opportunity.
Prof. Mahesh Sharma's Masterclass on math education, focusing on dyscalculia and other learning difficulties in math. When: Every Sunday Time: 8:00 - 9:00 AM EST June 8, 2025: Topic: Skills for Teaching Operations on Fractions Effectively Zoom ID: 5084944608 Code: mathforall
Professor Mahesh Sharma's Masterclass on math education, focusing on dyscalculia and other learning difficulties in mathematics. When: Every Sunday Time: 8:00 - 9:00 AM EST June 1, 2025: Topic: Teaching Fractions Effectively Zoom ID: 5084944608 Passcode: mathforall
Join Professor Mahesh Sharma's Masterclass on math education and hosted by Mathematics For All/Center for Teaching & Learning Mathematics. When: every Sunday Time: 8:00 - 9:00 AM EST May 18, 2025: Preparation for Teaching Fractions Zoom ID: 5084944608 Passcode: mathforall
Professor Mahesh Sharma’s Masterclass (free) on mathematics education for Teachers and parents Math For All/Center for Teaching & Learning Mathematics Sundays, 8:00 - 9:00 AM EST April 20, 2025 Topic: Mastering Long Division and Short Division Zoom ID: 5084944608 PC: mathforall
The LBC radio station is holding an online safety day on Monday 10th March from 7am to midnight. LBC is devoting an entire day of programming and content to online safety next week, with a major focus on the dangers facing children and holding those in power to account, from the government and the UK regulator to tech companies and social media platforms.
The date is 6 February 2025. Similar to Spirograph, the Fixed wheel is number 28 (February has 28 days) and the Rotating wheel is number 6.
A screenshot of a proof from the YouTube video: https://youtu.be/1C68JeWSSMM
The quadratic formula is a fraction. Prove that the roots of a monic expression are integers when b² - 4c is a perfect square.