Recently we've been working with dot collections from Gerri Lorway to look for smaller groups of dots within a set of them. The students have loved using these different images to estimate the amount of dots after just seeing them for a flash, and then analyzing the sets of dots to decompose them into different groups. This helps us to use the commutative property and associative property (see above), and as Gerri Lorway says, "The ability to flexibly name numbers is foundational to building long term recall of facts."
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Mrs. BarkerMrs. Barker is a grade three teacher at Millgrove School. She loves science and reading, and lives in a little brick house with Mr. Barker and her kids Jack and Ellie. Archive
April 2024
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