![]() ![]() To keep it non intimidating for students, I begin the partial product problems with 2-digit numbers and gradually increase to 3 and 4-digit numbers. ![]() I do like to fully teach 2, 3, and 4-digit numbers with both strategies before I introduce 2-digit by 2-digit multiplication. Partial ProductĪrea models tie in easily to partial product. It’s important not to rush these initial lessons. I typically spend a couple days introducing multi-digit multiplication with arrays and area models. A little over-exaggeration and “accidental” mistakes counting help students see how much more efficient an area model is than an actual array. To keep students interested, I try to be humorous about the monotony of drawing and counting each individual square. I start with traditional arrays and gradually fade the grids away so that students are multiplying with area models, rather than arrays. This ties in perfectly to the transitional lessons and can connect to third grade area lessons. I begin by teaching students about area models. There are also a few free resources linked in the post! Multiplying With Area Models A solid understanding of those concepts makes multiplying with area models and partial product much easier for students.Īll of these lessons are from my 4th Grade Multiplication Unit. You can read more about those lessons here. Before teaching multi-digit multiplication there are many concepts that are essential for student success. Teaching multiplying with area models and partial product is a major component of fourth grade math.
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