how to multiply decimals by whole numbers without a calculator Multiplying two decimals together without a calculator can appear daunting but in this how to guide we will break it down into simple steps to make it much more achievable Example 1 Multiply a Decimal by a Whole Number To begin with let s look at what happens when multiplying a decimal by a whole number
Step 1 Write down the numbers aligning them to the right Step 2 Ignoring the decimal multiply the numbers as if they re whole numbers starting from the right most digit Step 3 Add the number of decimal places from both factors It is the number of places your decimal point will move to the left in your product Step 1 Multiply both decimal numbers as whole numbers by removing decimal point as Step 2 Count the number of digits to the right of the decimal point in both decimal numbers Thus the number of digits after the decimal point in 923 447 3
how to multiply decimals by whole numbers without a calculator
how to multiply decimals by whole numbers without a calculator
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Multiplying Decimals Multiply without the decimal point then re insert it in the correct spot How to Multiply Decimals Just follow these steps Multiply normally ignoring the decimal points Then put the decimal point in the answer it will have as many decimal places as the two original numbers combined To multiply decimals we multiply them just like whole numbers We count the number of digits behind the decimal in both numbers we re multiplying and make sure our answer has the same number of digits after the decimal We can check our answer by thinking about what it means to multiply by 0 5 or one half
To multiply a decimal by a whole number Change the decimal to a whole number divided by a power of ten Note If you want to multiply a decimal by a whole number just ignore the decimal point and multiply like normal Then bring the decimal point back for the answer This tutorial shows you the entire process step by step
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Step 1 Treat the decimal number as a whole number and multiply without considering the decimal point 25 4 100 Step 2 The original decimal number 2 5 has one decimal place Step 3 Placing the decimal point one place Transcript We can use different methods for multiplying whole numbers with decimals The first method involves converting the decimal into a fraction and multiplying the numerators and denominators together The second method involves breaking the decimal into different place values and multiplying each part by the whole number
Four examples of how to multiply decimal numbers without a calculator Software used Notability App on IPAD Steps for Multiplying Decimals Multiply the decimals such that there is no decimal point Write the product Count the number of digits after the decimal point of both multiplying decimal numbers Put the decimal points in
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how to multiply decimals by whole numbers without a calculator - To multiply a decimal number by a whole number follow the steps given below Step 1 Ignore the decimal point and multiply both the numbers Step 2 Count the number of decimal places in the decimal number