Unit 3, Lesson 6# Multiply two-digit multiples of 10 by two-digit multiples of 10 with the area model

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In this lesson, students build on prior lessons by continuing to use the place value chart to multiply by multiples of 10, but now both factors are two-digit multiples of 10. This lesson also brings back the area model, which students use in addition to the place value chart to represent and multiply a two-digit multiple of 10 by a two-digit multiple of 10.