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# What are some Houghton Mifflin math concepts for second graders?

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Math concepts addressed by the academic publisher Houghton Mifflin Harcourt for second graders include place value relationships with large numbers, advanced addition and subtraction, understanding of units of measure and elementary geometry. While students are introduced to some of these concepts in the first grade, second grade students are expected to be able to manipulate multiple digits and to solve problems of greater complexity.

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### Full Answer

Second grade students should understand how to work with numbers having multiple digits while also understanding the significance of digit placement, according to Houghton Mifflin Harcourt. Second graders should be able to solve addition and subtraction problems with large numbers proficiently, analyze and make determinations regarding angles and sides of a shape and work with units of measurement such as meters and inches. They should also be able to interpret mathematical data to make decisions.

Houghton Mifflin Harcourt provides a video-based tutorial program for elementary students who need support meeting grade-appropriate math skills. As of August 2015, there are sample videos for each grade level on the Houghton Mifflin Harcourt website, including videos that address second grade math concepts, such as solving three-digit subtraction and reading data and graphs. These videos are designed to be engaging to elementary students by including puppet characters and humor.

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