Distributing Decimals: How to Multiply with a 1-digit Whole Number
TL;DR: Multiplying a decimal by a one-digit whole number has a slick trick: pretend the decimal point isn’t there. Multiply the two numbers as if both were whole numbers, then drop the decimal point back into your answer with the same number of decimal places as the original decimal had. So 3.42 times 5: ignore […]