Illuminations: Hopping on the Number Line

In this lesson, students generate sums using the number line model.

This model highlights the measurement aspect of addition and is a distinctly different representation of the operation from the model presented in the previous lesson. The order (commutative) property is also introduced. At the end of the lesson, students are encouraged to predict sums and to answer puzzles involving addition.

 

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Math Topics
Addition & Subtraction
K-6, Educator
Kindergarten, 1st Grade

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Illuminations (National Council of Teachers of Mathematics)

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