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Download full textGearing, Nicole V.; Hart, Lynn C. – European Journal of STEM Education, 2019
Communicating their thinking in mathematics is challenging for young children. This research studied the change in six-year old students' oral and written solution explanations before and after six problem-based mathematics lessons that focused on developing conceptual understanding of adding or subtracting a 2-digit number and a multiple of ten.…
Descriptors: Mathematics Instruction, Mathematical Logic, Problem Solving, Grade 1
