Arithmetic Teacher (1986-1987) Vol. 34, No. 1
[ijl Arithmcztic ~czachczr Volume 34 I ~ ~~~~~b~r 1986 Symmetry Calculators Estimation Problem Solving 1lw AlftTHMETIC TEACHER is an official journal I NIIIonal Council of Teachers of MathematJJ a forum for the exchange of ideas and a 01 tachniques for teaching mathematics in kindergarten thro~ eight. It presents (lave
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