No matter how you slice it, analyzing student work together improves math instruction.
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3.NF.1: Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts;
understand a fraction a/b as the quantity formed by a parts of size 1/b.
3.NF.2: Understand a fraction as a number on the number line; represent fractions on a number line diagram.
3.NF.3: Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size. Source: www.corestandards.org/Math/Content/3/NF.
Carpenter, T.P., Fennema, E., & Franke, M.L. (1996). Cognitively guided instruction: A knowledge base for reform in primary mathematics instruction. The Elementary School Journal, 97(1), 3-20.
Empson, S.B. & Levi, L. (2011). Extending children’s mathematics: Fractions and decimals: Innovations in cognitively guided instruction. Portsmouth, NH: Heinemann.
Lewis, R.M., Gibbons, L.K., Kazemi, E., & Lind, T. (2015). Unwrapping students’ ideas about fractions. Teaching Children Mathematics, 22(3), 158-168.
Little, J.W., Gearhart, M., Curry, M., & Kafka, J. (2003). Looking at student work for teacher learning, teacher community, and school reform. Phi Delta Kappan, 85(3), 184-192.
National Council of Teachers of Mathematics. (2014). Principles to actions: Ensuring mathematical success for all. Reston, VA: Author.
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