Posted: December 15th, 2015

Davita is not correct because multiplication is repeated addition, and 25+25+25 is greater than 15+15+15+15+15+15 .

Multiplication of a Fraction by a Whole Number

Davita says that 3×25 is the same as 15+15+15+15+15+15 .

Is Davita correct? Why or why not?

Davita is not correct because 3 sets of 25 is less than 6 sets of 15 .

Davita is correct because 3×25=65 and 15+15+15+15+15+15=65 .

Davita is correct because 3×25=55 and 15+15+15+15+15+15=55 .

Davita is not correct because multiplication is repeated addition, and 25+25+25 is greater than 15+15+15+15+15+15 .

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