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I teach a mixed age and ability self-contained special education classes. Several of my students can recognize numbers up to 20, but are having difficulty grasping place value with these numbers up to 20. We have tried counting objects into cups labeled ones and tens and when we get 10 sticks we bundle them and put them in the tens cup and talk about how the one bundle of 10 is now one in the tens place. Any suggestions on how to teach this skill better? These students have autism and tend to memorize well, but have great difficulty with comprehension. Thanks!
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