or more than twenty years, teachers havebeen using counters and connecting cube“trains” and creating base-10 block modelsto help students develop number sense, that is, anunderstanding of number concepts, place value,and computation.
Models such as base-10 blocks assume facility
with proportional reasoning (one object stands formore than one countable unit) that many of ourspecial needs students simply do not possess.
For this activity, the teacher placed a
model for a number on the overhead, then turned on310 Teaching Children Mathematics / February 2005Christine Losq, losqatclea@aol.com, develops classroom...
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