Subtract Multiples of 10 From Multiples of 10: CCSS.MATH.CONTENT.1.NBT.C.6

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

Questions 1 - 10

$\frac{\begin{array}[b]{r}80\ -\ 20\end{array}}{ \ \ \space}$

Explanation

$\frac{\begin{array}[b]{r}80\ -\ 20\end{array}}{ \ \ \space}$

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

$\frac{\begin{array}[b]{r}80\ -\ 20\end{array}}{ \ \ \ \space60}$

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

Explanation

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

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

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

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

Explanation

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

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

$\frac{\begin{array}[b]{r}80\ -\ 80\end{array}}{ \ \ \ \ \ \space0}$

$\frac{\begin{array}[b]{r}50\ -\ 10\end{array}}{ \ \ \space}$

Explanation

$\frac{\begin{array}[b]{r}50\ -\ 10\end{array}}{ \ \ \space}$

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

$\frac{\begin{array}[b]{r}50\ -\ 10\end{array}}{ \ \ \ \space40}$

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

Explanation

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

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

$\frac{\begin{array}[b]{r}20\ -\ 20\end{array}}{ \ \ \ \ \ \space0}$

$\frac{\begin{array}[b]{r}60\ -\ 40\end{array}}{ \ \ \space}$

Explanation

$\frac{\begin{array}[b]{r}60\ -\ 40\end{array}}{ \ \ \space}$

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

$\frac{\begin{array}[b]{r}60\ -\ 40\end{array}}{ \ \ \ \space20}$

$\frac{\begin{array}[b]{r}90\ -\ 40\end{array}}{ \ \ \space}$

Explanation

$\frac{\begin{array}[b]{r}90\ -\ 40\end{array}}{ \ \ \space}$

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

$\frac{\begin{array}[b]{r}90\ -\ 40\end{array}}{ \ \ \ \space50}$

$\frac{\begin{array}[b]{r}90\ -\ 70\end{array}}{ \ \ \space}$

Explanation

$\frac{\begin{array}[b]{r}90\ -\ 70\end{array}}{ \ \ \space}$

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

$\frac{\begin{array}[b]{r}90\ -\ 70\end{array}}{ \ \ \ \space20}$

$\frac{\begin{array}[b]{r}80\ -\ 10\end{array}}{ \ \ \space}$

Explanation

$\frac{\begin{array}[b]{r}80\ -\ 10\end{array}}{ \ \ \space}$

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

$\frac{\begin{array}[b]{r}80\ -\ 10\end{array}}{ \ \ \ \space70}$

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

Explanation

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

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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