Illuminations: The Variable Machine

This lesson provides an introduction to the use of variables, and develops students’ algebraic thinking.

Students create variable machines to discover the value of words.

This lesson was adapted from a lesson by Gilbert Cuevas and Karol Yeatts, as found in Navigating Through Algebra in Grades 3 ‑ 5, from the Navigations Series, NCTM 2001.


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Algebra & Pre-Algebra
K-6, Educator

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Illuminations (National Council of Teachers of Mathematics)

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