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Partial Products: a mental math strategy unit for multiplication

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Shelley Gray
Manitoba
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Partial Products is a mental math strategy for double digit multiplication. It can be used as a replacement for the commonly-used "long multiplication." The primary reason for teaching this strategy (as with all mental math strategies) is that it will improve your students' understanding of number. Rather than memorizing a series of confusing steps as in long multiplication, students will use their knowledge of place value and the real meaning of each numeral.

This strategy unit provides all of the resources that you will need for teaching the partial products strategy. Section 1 teaches 2-digit by 1-digit multiplication and Section 2 teaches 2-digit by 2-digit multiplication. Depending on the grade level that you teach, Section 2 might be somewhat difficult for the majority of your class, but may be useful as enrichment for some students.
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Partial Products: a mental math strategy unit for multiplication
Partial Products: a mental math strategy unit for multiplication
Partial Products: a mental math strategy unit for multiplication
Partial Products: a mental math strategy unit for multiplication
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4340.12 KB | 122 Pages
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