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David Costello
@costello-math.bsky.social
Registered: 25 Nov 2024 22:54
Last post:23 Jan 2026
Author of #MessingAroundWithMath, #MathematizingStudentThinking, #MakingMathStick and #usingwhatworks. Principal, Speaker, Workshop Facilitator #math
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costello-math.bsky.social
PDS: yellowfoot.us-west.host.bsky.network
2024-11-25 22:49:17