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The Brick Math FREE Lesson of the Month for March 2025 teaches students what subtraction is all about. It’s from Brick Math Subtraction, and it’s for early learners, giving them a concrete representation of what subtraction really means. To get this lesson, click here, and you’ll also get a new free Brick Math lesson every month after that. ​ 

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The lesson, “What Does It Mean to Subtract?” shows students very clearly how subtracting works, and also introduces the vocabulary of subtraction — minuend, subtrahend, and difference. Students build models of simple subtraction problems, then draw them and explain the math shown in their models and drawings.

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That’s the procedure followed throughout the entire Brick Math curriculum. Students move from a concrete representation of the math to a more abstract representation by drawing the models, then finally to a fully abstract understanding of the math when they describe it in words. In this way, Brick Math helps students gain a deep, true understanding of math, which sets them up for future success as they move through the K-8 curriculum.

This Lesson of the Month shows 2 pages from the Subtraction Teacher Edition first, and then the corresponding workbook pages for students to use from the companion Subtraction Student Edition.

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​The Brick Math curriculum is divided into 13 separate content areas: 

CountingAdditionSubtractionMultiplicationDivisionBasic FractionsBasic MeasurementFraction Multiplication, Fraction DivisionAdvanced Measurement and Geometry, DecimalsData and Statistics, and Pre-Algebra

Students can start anywhere in the curriculum. Brick Math can be used as a complete math curriculum or brought in as a supplement to help students who aren’t having math success with other programs. Check BrickMath.com to learn more!