Original language | English |
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Title of host publication | Number concepts and operations in the middle grades |
Editors | M. Behr, J. Hiebert |
Publisher | National Council of Teachers of Mathematics, Lawrence Erlbaum Associates |
Pages | 93-118 |
Volume | 2 |
State | Published - 1988 |
Proportional reasoning
R. Lesh, Thomas R. Post, M. Behr
Research output: Chapter in Book/Report/Conference proceeding › Chapter