In any math problem it's very important that you check your answers in this video we're going to go over when you do long division problems how you can go about checking your answers one way to make sure your answers somewhere closest to use estimates and you should be using estimates anytime you solve a math problem for this series of problems here we're just going to show you actually how you can check your answer all the way down to the hundredths or the thousandths place to make sure that your answer is 100% correct so all we need to do with a division problem is to take our answer so in this case 21 and then we're going to multiply it by the divisor or the number outside the box so we're going to 21 times 6 and if we did this all correctly that should equal 126 or the number inside the box so 21 times 6 we're going to set up our last box here and make sure the 21 times 6 is indeed 126 so set up our boxes with our dialines then we're going to multiply 1 times 6 is 6 2 times 6 is 12 2 are adding and shirt off we're going to get 126 so we can say counter percent confidence that we solved this problem correctly draw a leaf under your title let's try one more for this problem we're going to check and see if 41 point 3 divided by 7 equals 5 point 9 so again we're going to multiply our answer five point nine times the number outside the box of the divisor so we're going to five point nine times seven and let's check this out and see again we're going to set up our...

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