Subtract Multiples of 10 From Multiples of 10: CCSS.MATH.CONTENT.1.NBT.C.6 - Common Core: 1st Grade Math

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Question

$\frac{\begin{array}[b]{r}90\ -\ 10\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}90\ -\ 10\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}90\ -\ 10\end{array}}{ \ \ \ \space80}$

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Question

$\frac{\begin{array}[b]{r}80\ -\ 30\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}80\ -\ 30\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}80\ -\ 30\end{array}}{ \ \ \ \space50}$

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Question

Solve the following:

$\frac{\begin{array}[b]{r}70\ -\ 20\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}70\ -\ 20\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}70\ -\ 20\end{array}}{ \ \ \ \space50}$

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Question

$\frac{\begin{array}[b]{r}60\ -\ 60\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}60\ -\ 60\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}60\ -\ 60\end{array}}{ \ \ \ \ \ \space0}$

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Question

$\frac{\begin{array}[b]{r}50\ -\ 40\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}50\ -\ 40\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}50\ -\ 40\end{array}}{ \ \ \ \space10}$

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Question

$\frac{\begin{array}[b]{r}40\ -\ 10\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}40\ -\ 10\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}40\ -\ 10\end{array}}{ \ \ \ \space30}$

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Question

$\frac{\begin{array}[b]{r}30\ -\ 20\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}30\ -\ 20\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}30\ -\ 20\end{array}}{ \ \ \ \space10}$

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Question

$\frac{\begin{array}[b]{r}30\ -\ 10\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}30\ -\ 10\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}30\ -\ 10\end{array}}{ \ \ \ \space20}$

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Question

$\frac{\begin{array}[b]{r}90\ -\ 50\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}90\ -\ 50\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}90\ -\ 50\end{array}}{ \ \ \ \space40}$

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Question

$\frac{\begin{array}[b]{r}80\ -\ 60\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}80\ -\ 60\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}80\ -\ 60\end{array}}{ \ \ \ \space20}$

Compare your answer with the correct one above

Question

$\frac{\begin{array}[b]{r}70\ -\ 40\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}70\ -\ 40\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}70\ -\ 40\end{array}}{ \ \ \ \space30}$

Compare your answer with the correct one above

Question

$\frac{\begin{array}[b]{r}60\ -\ 50\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}60\ -\ 50\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}60\ -\ 50\end{array}}{ \ \ \ \space10}$

Compare your answer with the correct one above

Question

$\frac{\begin{array}[b]{r}90\ -\ 20\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}90\ -\ 20\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}90\ -\ 20\end{array}}{ \ \ \ \space70}$

Compare your answer with the correct one above

Question

$\frac{\begin{array}[b]{r}80\ -\ 40\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}80\ -\ 40\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}80\ -\ 40\end{array}}{ \ \ \ \space40}$

Compare your answer with the correct one above

Question

$\frac{\begin{array}[b]{r}70\ -\ 10\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}70\ -\ 10\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}70\ -\ 10\end{array}}{ \ \ \ \ \space60}$

Compare your answer with the correct one above

Question

$\frac{\begin{array}[b]{r}60\ -\ 20\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}60\ -\ 20\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}60\ -\ 20\end{array}}{ \ \ \ \space40}$

Compare your answer with the correct one above

Question

$\frac{\begin{array}[b]{r}50\ -\ 50\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}50\ -\ 50\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}50\ -\ 50\end{array}}{ \ \ \ \ \ \space0}$

Compare your answer with the correct one above

Question

$\frac{\begin{array}[b]{r}40\ -\ 20\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}40\ -\ 20\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}40\ -\ 20\end{array}}{ \ \ \ \space20}$

Compare your answer with the correct one above

Question

$\frac{\begin{array}[b]{r}20\ -\ 10\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}20\ -\ 10\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}20\ -\ 10\end{array}}{ \ \ \ \space10}$

Compare your answer with the correct one above

Question

$\frac{\begin{array}[b]{r}90\ -\ 30\end{array}}{ \ \ \space}$

Answer

$\frac{\begin{array}[b]{r}90\ -\ 30\end{array}}{ \ \ \space}$

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left.

$\frac{\begin{array}[b]{r}90\ -\ 30\end{array}}{ \ \ \ \space60}$

Compare your answer with the correct one above

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