Convince Me That (US) https://docs.google.com/presentation/d/1_kMfjsrEGWtNbWT-nwrzbfe5WB3C_u6vo3PvFquZA5I/edit#slide=id.g34d3ccf053_0_2697 A series of PowerPoint slides with a provocation per slide (K – 10). Estimation 180 http://www.estimation180.com/ Activities to support measurement estimation. Math for Love (US) https://mathforlove.com/ A range of engaging challenges and games-based learning opportunities (K – 10) Math Talks (also includes Pattern Talks) http://www.mathtalks.net/nt-5-8.html A series of provocations with examples of students’ responses – some correct, others with misconceptions – which are very good discussion starters (4 - 10). Open-Middle (US) https://www.openmiddle.com/ A series of searchable tasks in strands, many using the 0 – 9 digits in challenges. All have multiple solutions (K – 12). Same Surface, Different Deep Structure (SSDD) (US) https://ssddproblems.com/ Searchable problems with a gentle entry problem and then associated, more demanding aspects explored (5 - 12). Think Mathematically https://buildingmathematicians.wordpress.com/author/markchubb3/ A resource by Mark Chubb with great sets of ideas and activities. Visualpatterns.org (US) http://www.visualpatterns.org/ A set of pattern-growth problems, which are great for thinking algebraically, particularly to continue patterns and find rules (K – 10). Which One Doesn’t Belong (US) http://wodb.ca/index.html Sets of 4 visuals where the learner must give a reason why each doesn’t belong to the set (P – 12). Would You Rather (US) http://www.wouldyourathermath.com/would-you-rather-38-2/ Choose between two provocations and decide mathematically which is best (P – 10).
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