Lesson: Column Subtraction of Three-Digit Numbers: Regrouping Hundreds Mathematics • Second Year of Primary School

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In this lesson, we will learn how to subtract from three-digit numbers when we have to regroup a hundred and record the calculation in columns.

Students will be able to

subtract two- and three-digit numbers from three-digit numbers with regrouping of hundreds,
make connections between concrete and abstract models of regrouping,
use a formal algorithm to solve calculations.

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