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Anick, Constance M.; And Others – 1981
Data are reported from the first and second individual interviews conducted in 1980 in the second phase of a 3-year study on addition and subtraction using verbal problem solving. The second phase is concerned with children's performance on verbal addition and subtraction problems which contain two-digit numbers, half of which require regrouping…
Descriptors: Addition, Educational Research, Elementary School Mathematics, Error Patterns
Anick, Constance M.; And Others – 1981
Data are reported from the eighth individual interview conducted in 1981 with students participating in a 3-year study on addition and subtraction using verbal problem solving. Ninety-two third-grade children in two schools in Wisconsin that used the Developing Mathematical Processes program were individually administered l8 verbal problems that…
Descriptors: Addition, Educational Research, Elementary School Mathematics, Error Patterns