Multiplying with Mental Math

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Multiplying with Mental Math

Slides designed to teach multiplying with mental math.  A total of 7 slides with space to illustrate and write during the lesson and the file you download contains a jpeg, PDF, and power point file.

Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.

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.

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