Gabriel T. Matney and Brooke N. Daugherty
Cans on a grocery store shelf and Hirst's
Capric Acid Amide
can illustrate dot arrays, thus helping students understand the distributive property, partial products, and the standard algorithm for multiplication.
Juli K. Dixon and Jennifer M. Tobias
Anticipate and address errors that arise when fractions are placed in context and illustrated with models.
Emily G. Kuper and Patrick M. Kimani
Students engage in a fractions task involving 2/3 men and 3/5 women, and teachers analyze their thinking.
Robert Q. Berry III and Mark W. Ellis
See how one seventh-grade teacher melds NCTM’s Process Standards, CCSSM’s Standards for Mathematical Practice, and multidimensional teaching to engage students.