I told her the thing about adding together the numbers in products of 9, and how I knew without even doing any division that she had counted correctly all the way to 207, and told her to try again and then try checking her work at each step using that trick. It seemed to work...
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I told her the thing about adding together the numbers in products of 9, and how I knew without even doing any division that she had counted correctly all the way to 207, and told her to try again and then try checking her work at each step using that trick. It seemed to work...