Mentally Add and Subtract 10 or 100 to a Given Number : CCSS.Math.Content.2.NBT.B.8

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MAP 2nd Grade Math › Mentally Add and Subtract 10 or 100 to a Given Number : CCSS.Math.Content.2.NBT.B.8

Questions 1 - 10

1

$\frac{\begin{array}[b]{r}741\ -\ 10\end{array}}{ \ \ \space ?}$

Explanation

When subtracting any number by the only number that will change in your answer is the tens place.

$\frac{\begin{array}[b]{r}741\ -\ 10\end{array}}{ \ \ \space 731}$

2

$\frac{\begin{array}[b]{r}629\ +\ 10\end{array}}{?}$

Explanation

When adding any number by the only number that will change in your answer is the tens place.

$\frac{\begin{array}[b]{r}629\ +\ 10\end{array}}{\ \ \space639}$

3

Solve the following:

$\frac{\begin{array}[b]{r}432\ +\ 100\end{array}}{ }$

Explanation

When adding any number by the only number that will change in your answer is the hundreds place.

$\frac{\begin{array}[b]{r}432\ +\ 100\end{array}}{\ \ \ \space 532}$

4

$\frac{\begin{array}[b]{r}642\ +\ 100\end{array}}{?}$

Explanation

When adding any number by the only number that will change in your answer is the hundreds place.

$\frac{\begin{array}[b]{r}642\ +\ 100\end{array}}{\ \ \ \space742}$

5

$\frac{\begin{array}[b]{r}812\ +\ 10\end{array}}{?}$

Explanation

When adding any number by the only number that will change in your answer is the tens place.

$\frac{\begin{array}[b]{r}812\ +\ 10\end{array}}{\ \ \space822}$

6

$\frac{\begin{array}[b]{r}562\ +\ 100\end{array}}{?}$

Explanation

When adding any number by the only number that will change in your answer is the hundreds place.

$\frac{\begin{array}[b]{r}562\ +\ 100\end{array}}{\ \ \ \space662}$

7

$\frac{\begin{array}[b]{r}572\ +\ 10\end{array}}{?}$

Explanation

When adding any number by the only number that will change in your answer is the tens place.

$\frac{\begin{array}[b]{r}572\ +\ 10\end{array}}{\ \ \space582}$

8

$\frac{\begin{array}[b]{r}175\ +\ 100\end{array}}{?}$

Explanation

When adding any number by the only number that will change in your answer is the hundreds place.

$\frac{\begin{array}[b]{r}175\ +\ 100\end{array}}{\ \ \ \space275}$

9

$\frac{\begin{array}[b]{r}867\ +\ 100\end{array}}{?}$

Explanation

When adding any number by the only number that will change in your answer is the hundreds place.

$\frac{\begin{array}[b]{r}867\ +\ 100\end{array}}{\ \ \ \space967}$

10

$\frac{\begin{array}[b]{r}432\ +\ 10\end{array}}{?}$

Explanation

When adding any number by the only number that will change in your answer is the tens place.

$\frac{\begin{array}[b]{r}432\ +\ 10\end{array}}{\ \ \space 442}$

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