Create your own centimeter ruler. Then, estimate and measure with lengths with it. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through ...
If Levi Vaughan, a 5-year-old kindergartner in Braidwood, Ill., makes it through math class without a meltdown, it’s a good day. The transition to school has been tough in other ways for Levi, said ...
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