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Thinking about thinking, what thinking do problem-solving tasks require? Tasks and a framework
John DonovanPlymouth State University
Smith, M. S., et al. (2004). Characterizing the Cognitive Demands of Mathematical Tasks: A Task-Sorting Activity. Professional Development
Guidebook for Perspectives on the Teaching of Mathematics Companion to the Sixty-sixth Yearbook. G. W. Bright and R. N. Rubenstein (Eds.). Reston,
VA, National Council of Teachers of Mathematics: 45-72.