# How do u divide decimals

## DIVIDING DECIMALS

Math Antics - Convert any Fraction to a Decimal

how does does howWhen you know how to do long division, figuring out how to divide decimals is easy. However, unlike dividing whole numbers, with decimals, you have to add trailing zeros in the dividend and you also have to complete the problem without remainders. For example, suppose you want to divide Write the problem as usual:. Turn 0. At the same time, move the decimal point in Place a decimal point in the quotient the answer directly above where the decimal point now appears in the dividend.

Dividing with decimals is a bit difficult. These days, most teachers don't mind much if you use a calculator. But it's good to know how to do it yourself, too, and you always need to be good at estimating the answer, so you can make sure the calculator's answer is reasonable. Step 1: Estimate the answer by rounding. You'll use this estimate to check your answer later. Step 2: If the divisor is not a whole number, then move the decimal place n places to the right to make it a whole number.

Do you know how to divide decimals? In this post, you will learn how, and at the end, you will find exercises to practice division of decimals. But first you can review what decimal numbers are with this previous post from our blog: Learn What Decimal Numbers Are. When we do division and are left with a remainder, we can continue dividing to get the answer as a decimal. How do we do it? Add a zero to the remainder and a decimal point in the quotient.

Do long division with decimal numbers and see the work for the calculation step-by-step. Enter positive or negative decimal numbers for divisor and dividend and calculate a quotient answer. Note that this is not the same as rounding to a specific number of decimal places. In order to round to the third decimal place you must calculate to at least the fourth decimal place so that you know how to round the third decimal place. See our Rounding Numbers Calculator for more information.

## Dividing Decimals

Dividing Decimals - Example 2

## Dividing Decimals by Whole Numbers

This is a complete lesson with a video, instruction, and exercises about dividing decimals by decimals, meant for 5th grade. The lesson concentrates on the idea that we can transform any division with a decimal divisor into a whole-number division by multiplying BOTH the dividend and the divisor by 10, , , or some other power of ten. So, why do we move the decimal point in both the dividend and the divisor the same number of steps? In the video, I aim to make sense of this "rule". The actual lesson continues below the video.

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Multiplying and Dividing Decimals. Learning Objective s. As with whole numbers, sometimes you run into situations where you need to multiply or divide decimals. And just as there is a correct way to multiply and divide whole numbers, so, too, there is a correct way to multiply and divide decimals. Imagine that a couple eats dinner at a Japanese steakhouse. To calculate the tip, they can double the tax.

Use mental arithmetic to find each quotient, then mouse over the red text. In each pattern, the quotient remains the same. Thus, multiplying both the divisor and dividend by the same power of 10 maintains the equality of the expression.

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In Lesson 12, Question 3 , we saw how to proceed when the Dividend is a decimal. There remains only the case in which the Divisor is a decimal. But the Divisor must be a whole number. Making it a whole number depends on this fact:. If we multiply the dividend and divisor by the same number, the quotient will not change. We saw that in Lesson 11 where we used the division bar , which is now the most useful way to indicate division. See Problems 30 - 31 of that Lesson.

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By continuing to use this site, you agree to its use of cookies. If the divisor is not a whole number, move decimal point to right to make it a whole number and.

We can "shift the decimal point" out of the way by multiplying by 10, as many times as we need to. But we must do the same thing to both numbers in the division.