Word Problems on Multiplication of Decimal Numbers
1.A baker uses of flour per batch of cookies. How much flour is needed for 12,3 batches?

To find out how much flour is needed for 12.3 batches, you’ll multiply the amount of flour used per batch by the number of batches: . This will give you of flour required for 12.3 batches of cookies.

Remember, when multiplying decimals, it’s helpful to ignore the decimal points while multiplying to simplify the process—just remember to count the total number of decimal places in your factors to place the decimal correctly in your answer. In this case, you need to keep three digits after the decimal point in .