Multiplication is essentially repeated addition, or growing numbers by doubling, tripling, quadrupling, and so on. This unit presents mental models and strategies that help students learn and review the concept of multiplication. Students explore multiplication using arrays, partial products, doubling methods and the standard algorithm to solve numerical and word problems. Students will multiply whole numbers and simple decimals by base ten exponents (i.e. .3 x 103).

Words work together in a sentence, each one performing a different task. By fifth grade, students have become more adept readers and writers and they are familiar with the basic parts of speech. The activities in this unit revisit some of the basics and also add depth to their existing understanding. Students will engage in such topics as superlative adjectives, correlative conjunctions and prepositional phrases, to name a few.

A sentence stands alone to express a complete thought. Surprisingly, most 5th graders still need to revisit the concepts of complete sentences and fragments and how to punctuate the four different kinds of sentences. Combining shorter sentences into longer, more complex sentences is another skill that requires practice. Students get all of that needed review in this unit, in addition to learning how to identify and fix run-on sentences.