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Download full textEllemor-Collins, David; Wright, Robert – Mathematics Education Research Journal, 2009
The Numeracy Intervention Research Project (NIRP) aims to develop assessment and instructional tools for use with low-attaining 3rd- and 4th-graders. The NIRP approach to instruction in addition and subtraction in the range 1 to 20 is described. The approach is based on a notion of structuring numbers, which draws on the work of Freudenthal and…
Descriptors: Foreign Countries, Numeracy, Mathematics Achievement, Elementary School Mathematics
