Exercises: Subtraction - learn with Serlo!

Compute the following differences

$7412 - 4308$

Für diese Aufgabe benötigst Du folgendes Grundwissen: Subtraction
7412 - 4308
Subtract from left to right. First, subtract the ones. Since 8 is greater than 2, you need to calculate 12 - 8 = 4 instead and "memorize" a 1 at the tens.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;7\;\;4\;\;1\;\;2\\\underline{-\;\;\;4\;\;3\;\;0_1\;8}\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;4\end{array}$
Then, subtract the tens: 1 - 1 = 0.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;7\;\;4\;\;1\;\;2\\\underline{-\;\;\;4\;\;3\;\;0_1\;8}\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;0\;\;4\end{array}$
Now subtract the hundreds: 4 - 3 = 1.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;7\;\;4\;\;1\;\;2\\\underline{-\;\;\;4\;\;3\;\;0_1\;8}\\\;\;\;\;\;\;\;\;\;\;1\;\;0\;\;4\end{array}$
And finally subtract the thousands: 7 - 4 = 3.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;7\;\;4\;\;1\;\;2\\\underline{-\;\;\;4\;\;3\;\;0_1\;8}\\\;\;\;\;\;\;3\;\;1\;\;0\;\;4\end{array}$
The final result is 3104.
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$3371 - 2250$

Für diese Aufgabe benötigst Du folgendes Grundwissen: Subtraction
3371 - 2250
Subtract from right to left. First, subtract the ones: 1 - 0 = 1.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;3\;\;3\;\;7\;\;1\\\underline{-\;\;\;2\;\;2\;\;5\;\;0}\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;1\end{array}$
Then, subtract the tens: 7 - 5 = 2.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;3\;\;3\;\;7\;\;1\\\underline{-\;\;\;2\;\;2\;\;5\;\;0}\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;2\;\;1\end{array}$
Now subtract the hundreds: 3 - 2 = 1.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;3\;\;3\;\;7\;\;1\\\underline{-\;\;\;2\;\;2\;\;5\;\;0}\\\;\;\;\;\;\;\;\;\;\;1\;\;2\;\;1\end{array}$
And finally subtract the thousands: 3 - 2 = 1.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;3\;\;3\;\;7\;\;1\\\underline{-\;\;\;2\;\;2\;\;5\;\;0}\\\;\;\;\;\;\;1\;\;1\;\;2\;\;1\end{array}$
The final result is 1121.
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$5342 - 4357$

Für diese Aufgabe benötigst Du folgendes Grundwissen: Subtraction
5342 - 4357
Subtract from right to left. First, subtract the ones. Since 7 is greater than 2, you need to calculate 12 - 7 = 5 instead and "memorize" a 1 at the tens.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;5\;\;3\;\;4\;\;\;2\\\underline{-\;\;\;4\;\;3\;\;5_1\;\;7}\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;5\end{array}$
Then subtract the tens. Since 6 is greater than 4, you need to calculate 14 - 6 = 8 instead and "memorize" a 1 at the hundreds.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;5\;\;3\;\;\;\;4\;\;\;2\\\underline{-\;\;\;4\;\;3_1\;\;5_1\;\;7}\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;8\;\;\;5\end{array}$
Now subtract the hundreds digit. Since 4 is greater than 3, you need to calculate: 13 - 4 = 9 instead and "memorize" a 1 at the thousands.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;5\;\;\;3\;\;\;\;4\;\;\;2\\\underline{-\;\;\;4_1\;\;3_1\;\;5_1\;\;7}\\\;\;\;\;\;\;\;\;\;\;\;9\;\;\;8\;\;\;5\end{array}$
And finally subtract the thousands: 5 - (4 + 1) = 5 - 5 = 0.
The final result is 985.
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$2395 - 1852$

Für diese Aufgabe benötigst Du folgendes Grundwissen: Subtraction
2395 - 1852
Subtract from right to left. First, subtract the ones: 5 - 2 = 3.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;2\;\;3\;\;9\;\;5\\\underline{-\;\;\;1\;\;8\;\;5\;\;2}\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;3\end{array}$
Then, subtract the tens: 9 - 5 = 4.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;2\;\;3\;\;9\;\;5\\\underline{-\;\;\;1\;\;8\;\;5\;\;2}\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;4\;\;3\end{array}$
Now subtract the hundreds. Since 8 is greater than 3, you need to calculate 13 - 8 = 5 instead and "memorize" a 1 at the thousands.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;2\;\;3\;\;9\;\;5\\\underline{-\;\;\;1_1\;8\;\;5\;\;2}\\\;\;\;\;\;\;\;\;\;\;5\;\;4\;\;3\end{array}$
And finally subtract the thousands: 2 - 2 = 0.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;2\;\;3\;\;9\;\;5\\\underline{-\;\;\;1_1\;8\;\;5\;\;2}\\\;\;\;\;\;\;\;\;\;\;\;5\;\;4\;\;3\end{array}$
The final result is 543.
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$8560 - 4320$

Für diese Aufgabe benötigst Du folgendes Grundwissen: Subtraction
8560 - 4320
Subtract from right to left. First, subtract the ones: 0 - 0 = 0. (That was easy).
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;8\;\;5\;\;6\;\;0\\\underline{-\;\;\;4\;\;3\;\;2\;\;0}\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;0\end{array}$
Then, subtract the tens: 6 - 2 = 4.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;8\;\;5\;\;6\;\;0\\\underline{-\;\;\;4\;\;3\;\;2\;\;0}\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;4\;\;0\end{array}$
Now subtract the hundreds: 5 - 3 = 2.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;8\;\;5\;\;6\;\;0\\\underline{-\;\;\;4\;\;3\;\;2\;\;0}\\\;\;\;\;\;\;\;\;\;\;2\;\;4\;\;0\end{array}$
And finally subtract the thousands: 8 - 4 = 4.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;8\;\;5\;\;6\;\;0\\\underline{-\;\;\;4\;\;3\;\;2\;\;0}\\\;\;\;\;\;\;4\;\;2\;\;4\;\;0\end{array}$
The final result is 4240.
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$4599 - 1327$

Für diese Aufgabe benötigst Du folgendes Grundwissen: Subtraction
4599 - 1327
Subtract from right to left. First, subtract the ones: 9 - 7 = 2.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;4\;\;5\;\;9\;\;9\\\underline{-\;\;\;1\;\;3\;\;2\;\;7}\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;2\end{array}$
Then, subtract the tens: 9 - 2 = 7.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;4\;\;5\;\;9\;\;9\\\underline{-\;\;\;1\;\;3\;\;2\;\;7}\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;7\;\;2\end{array}$
Now subtract the hundreds: 5 - 3 = 2.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;4\;\;5\;\;9\;\;9\\\underline{-\;\;\;1\;\;3\;\;2\;\;7}\\\;\;\;\;\;\;\;\;\;\;2\;\;7\;\;2\end{array}$
And finally subtract the thousands: 4 - 1 = 3.
$\def\arraystretch{1.25} \begin{array}{l}\;\;\;\;\;\;4\;\;5\;\;9\;\;9\\\underline{-\;\;\;1\;\;3\;\;2\;\;7}\\\;\;\;\;\;\;3\;\;2\;\;7\;\;2\end{array}$
The final result is 3272.
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