Multiplying: using an area model | Multiplication and division | Arithmetic | Khan Academy - By Khan Academy
Using graph paper we'll map out an area model to help us with a multiplication problem.
Multiplying: using an area model | Multiplication and division | Arithmetic | Khan Academy is a free educational video by Khan Academy.It helps students in grades 4 practice the following standards 4.NBT.B.5.
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1. 4.NBT.B.5 : Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. (Grade 4 expectations in this domain are limited to whole numbers less than or equal to 1,000,000. A range of algorithms may be used.).
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