Couldn't you add 875.50 +(-300) and then add that to the account?? Or am I missing something?

You could but that would enter BODMAS an entirely different area.

Well, he would have just simply subtracted 300$ from $5397.58 in his mind as he does for simple calculations. He used 54 seconds extra for the subtracting method. The answer was same from either ways. I really care about time and try not to waste one second of mine.

Then you can just fast forward, that's what I do, and if I feel I missed something I go back.

At 2:10, why do people use word problems any way?

Because it usually makes it more realistic and for some people it is easier.

Can you help me I don't understand math. it is confusing. please help me with the question 1232.234 x 43.54 + 3454.76 = ? Thanks that would be great.

First, we have to do order of operations. We do the multiplication part first, and then add the product to 3454.76. To do large multiplication problems such as this, all we have to do is multiply each digit in one number by the other number, and then add up the products. Let's multiply each digit in 43.54 by 1232.234. 0.04 * 1232.234 = 49.28936 0.5 * 1232.234 = 616.117 3.00 * 1232.234 = 3696.702 40.00 * 1232.234 = 49289.36 Adding up all of these products, we get 53,651.46836. Now to do the second step of the problem, we add this product to 3454.76. To to this, we simply add up all of the place values, and aggregate the result. 0.00006 + 0.00000 = 0.00006 0.0003 + 0.0000 = 0.003 0.008 + 0.000 = 0.008 0.06 + 0.06 = 0.12 0.4 + 0.7 = 1.1 1.0 + 4.0 = 5.0 50 + 50 = 100 600 + 400 = 1000 3000 + 3000 = 6000 50000 + 00000 = 50000 After we add up all of these values together, we get a final answer of 57, 106.2284. Hope this helped!

Main content

6th grade

Course: 6th grade > Unit 2

Lesson 3: Adding and subtracting decimals word problems

Adding & subtracting decimals word problem

Name: Adding & subtracting decimals word problem
Uploaded: 2011-02-20T16:39:42Z
Description: In this math lesson, we learn how to manage a bank account balance by adding and subtracting money with decimals. We start with an initial balance, deposit an amount, and then withdraw cash. By performing these calculations, we determine the final account balance.

CCSS.Math:

6.NS.B.3

Google Classroom

In this math lesson, we learn how to manage a bank account balance by adding and subtracting money with decimals. We start with an initial balance, deposit an amount, and then withdraw cash. By performing these calculations, we determine the final account balance. Created by Sal Khan and Monterey Institute for Technology and Education.

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Mastermindxxx
Posted 11 years ago. Direct link to Mastermindxxx's post “Couldn't you add 875.50 +...”
Couldn't you add 875.50 +(-300) and then add that to the account?? Or am I missing something?
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- arihan
  Posted 9 years ago. Direct link to arihan's post “You could but that would ...”
  You could but that would enter BODMAS an entirely different area.
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Dr Hansen
Posted 10 years ago. Direct link to Dr Hansen's post “At 2:10, why do people us...”
At
2:10
, why do people use word problems any way?
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- Elijah Huth
  Posted 10 years ago. Direct link to Elijah Huth's post “Because it usually makes ...”
  Because it usually makes it more realistic and for some people it is easier.
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chris
Posted 8 months ago. Direct link to chris's post “hey guys quandale dingle ...”
hey guys quandale dingle here my goofy ahh uncle is holding me captive AAAH My friend barnacle jones junior was hit with a rhinoceros horn because he was listening to no maidens
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Bushra
Posted 7 years ago. Direct link to Bushra's post “Well, he would have just ...”
Well, he would have just simply subtracted 300$ from $5397.58 in his mind as he does for simple calculations. He used 54 seconds extra for the subtracting method. The answer was same from either ways. I really care about time and try not to waste one second of mine.
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- Tirthankar
  Posted 7 years ago. Direct link to Tirthankar's post “Then you can just fast fo...”
  Then you can just fast forward, that's what I do, and if I feel I missed something I go back.
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aileen.delacruz104
Posted 8 years ago. Direct link to aileen.delacruz104's post “my one and only question ...”
my one and only question is ,is this the same thing as organizing decimals?(:
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Lucy
Posted 3 years ago. Direct link to Lucy's post “Can you help me I don't u...”
Can you help me I don't understand math. it is confusing. please help me with the question
1232.234 x 43.54 + 3454.76 = ?
Thanks that would be great.
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(0 votes)
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- Hecretary Bird
  Posted 3 years ago. Direct link to Hecretary Bird's post “First, we have to do orde...”
  First, we have to do order of operations. We do the multiplication part first, and then add the product to 3454.76. To do large multiplication problems such as this, all we have to do is multiply each digit in one number by the other number, and then add up the products. Let's multiply each digit in 43.54 by 1232.234.
  0.04 * 1232.234 = 49.28936
  0.5 * 1232.234 = 616.117
  3.00 * 1232.234 = 3696.702
  40.00 * 1232.234 = 49289.36
  Adding up all of these products, we get 53,651.46836. Now to do the second step of the problem, we add this product to 3454.76. To to this, we simply add up all of the place values, and aggregate the result.
  0.00006 + 0.00000 = 0.00006
  0.0003 + 0.0000 = 0.003
  0.008 + 0.000 = 0.008
  0.06 + 0.06 = 0.12
  0.4 + 0.7 = 1.1
  1.0 + 4.0 = 5.0
  50 + 50 = 100
  600 + 400 = 1000
  3000 + 3000 = 6000
  50000 + 00000 = 50000
  After we add up all of these values together, we get a final answer of 57, 106.2284. Hope this helped!
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player152
Posted 3 months ago. Direct link to player152's post “I am God”
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- TheStupidArtist
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AD
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⠀⠀⣠⡾⠟⠛⠛⠛⠿⣦⣄⠀⣠⣴⠿⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠙⠻⢷⣤⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
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⠀⠀⠀⠀⢸⣇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠛⠁⢠⣶⣶⣶⣦⠈⠛⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⣷⡀⠀
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⠀⠀⠀⠉⠛⠛⠿⠿⠶⠶⠶⠶⠶⠿⠿⠿⠟⠛⠛⠋⠉⠀⠀⠀⠀⠀⠉⠉⠛⠛⠻⠿⠿⠿⠶⠶⠶⠶⠶⠾⠿⠛⠛⠋⠁
kirby
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Video transcript

Leo has $4,522.08 in his bank account. He deposits another $875.50 and then withdraws $300 in cash. How much is left in his account? So he's starting with $4,522.08. Let's write that down. $4,522.08. And then he deposits, or he adds, another $875.50. So he's going to add $875.50. When you deposit into an account, you're putting something into the account, or you're adding to the account. So after he adds that $875.50, what does he have? We go back to the penny spot, or we could view that as the hundredths. A penny is one hundredth of a dollar. Let me switch colors. We have 8 plus 0 is 8. 0 plus 5 is 5. We have the decimal right there. 2 plus 5 is 7. 2 plus 7 is 9. 5 plus 8 is 13. Put the 3 down here and regroup the 1, or carry the 1. 1 plus 4 is 5. So after the $875.50 deposit, he has $5,397.58. Then he withdraws $300 in cash, or he takes out $300, so we'll have to subtract that. So then he withdraws $300 and I just added some trailing zeroes after the decimal. $300 is the same thing as $300.00 and zero cents. And then we subtract. 8 minus 0 is 8. 5 minus 0 is 5. We have our decimal right there. 7 minus 0 is 7. 9 minus 0 is 9. 3 minus 3 is 0, and then 5 minus nothing here is 5. So he's the left with, in his account, $5,097.58.