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NCTM
nctm.org
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How do fourth graders solve 400 - 198? 🤔
Listen to this student explain her thinking using a compensation strategy to decompose and recompose numbers.
Learn how her process sparked insights for #teachers in the full article and video: nctm.link/4kydJ
#mathsky #iteachmath #mtbos
2024-12-12T14:02:11.236Z