Multiplication of whole numbers 5.NBT.B.5 Grade Practice Test Questions TOC | Lumos Learning

Multiplication of whole numbers 5.NBT.B.5 Question & Answer Key Resources Lumos Workbooks Master Course - Grade 5 Mathematics

Lumos Workbooks Master Course - Grade 5 Mathematics Multiplication of whole numbers

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Amy multiplied 315 x 101 using mental math. Her strategy was to change the problem to 316 x 100. She got a product of 31,600 and concluded that 315 x 101 is also equal to 31,600. Is her strategy valid?