Arm your students for victory in the age-old battle to master subtraction with regrouping.

Contributor Notes

Luann Voza, lvoza@aol.com, teaches fourth- and fifth-grade mathematics at Lincoln School in Lyndhurst, New Jersey. She is interested in numerical reasoning and thinking and has researched gender differences in math.

(Corresponding author is Voza lvoza@aol.com)
Teaching Children Mathematics
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