Multiply One-Digit Numbers by Multiples of 10: CCSS.Math.Content.3.NBT.A.3

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3rd Grade Math › Multiply One-Digit Numbers by Multiples of 10: CCSS.Math.Content.3.NBT.A.3

Questions 1 - 10

1

Solve the following:

$\frac{\begin{array}[b]{r}70\ \times\ 7\end{array}}{ \ \ \ \space}$

Explanation

To solve this problem, we multiply by the ones position and the tens position.

$7\times0=0$

$7\times7=49$

$\frac{\begin{array}[b]{r}70\ \times\ 7\end{array}}{ \ \space490}$

2

$\frac{\begin{array}[b]{r}20\ \times\ 6\end{array}}{ \ \ \ \space}$

Explanation

To solve this problem, we multiply by the ones position and the tens position.

$6\times0=0$

$6\times2=12$

$\frac{\begin{array}[b]{r}20\ \times\ 6\end{array}}{ \ \space120}$

3

$\frac{\begin{array}[b]{r}10\ \times\ 7\end{array}}{ \ \ \ \space}$

Explanation

To solve this problem, we multiply by the ones position and the tens position.

$7\times0=0$

$7\times1=7$

$\frac{\begin{array}[b]{r}10\ \times\ 7\end{array}}{ \ \ \space70}$

4

$\frac{\begin{array}[b]{r}60\ \times\ 5\end{array}}{ \ \ \ \space}$

Explanation

To solve this problem, we multiply by the ones position and the tens position.

$5\times0=0$

$5\times6=30$

$\frac{\begin{array}[b]{r}60\ \times\ 5\end{array}}{ \ \space300}$

5

$\frac{\begin{array}[b]{r}80\ \times\ 4\end{array}}{ \ \ \ \space}$

Explanation

To solve this problem, we multiply by the ones position and the tens position.

$4\times0=0$

$4\times8=32$

$\frac{\begin{array}[b]{r}80\ \times\ 4\end{array}}{ \ \space320}$

6

$\frac{\begin{array}[b]{r}60\ \times\ 9\end{array}}{ \ \ \ \space}$

Explanation

To solve this problem, we multiply by the ones position and the tens position.

$9\times0=0$

$9\times6=54$

$\frac{\begin{array}[b]{r}60\ \times\ 9\end{array}}{ \ \space540}$

7

$\frac{\begin{array}[b]{r}40\ \times\ 5\end{array}}{ \ \ \ \space}$

Explanation

To solve this problem, we multiply by the ones position and the tens position.

$5\times0=0$

$5\times4=20$

$\frac{\begin{array}[b]{r}40\ \times\ 5\end{array}}{ \ \space200}$

8

$\frac{\begin{array}[b]{r}90\ \times\ 1\end{array}}{ \ \ \ \space}$

Explanation

To solve this problem, we multiply by the ones position and the tens position.

$1\times0=0$

$1\times9=9$

$\frac{\begin{array}[b]{r}90\ \times\ 1\end{array}}{ \ \ \space90}$

9

$\frac{\begin{array}[b]{r}70\ \times\ 9\end{array}}{ \ \ \ \space}$

Explanation

To solve this problem, we multiply by the ones position and the tens position.

$9\times0=0$

$9\times7=63$

$\frac{\begin{array}[b]{r}70\ \times\ 9\end{array}}{ \ \space630}$

10

$\frac{\begin{array}[b]{r}70\ \times\ 8\end{array}}{ \ \ \ \space}$

Explanation

To solve this problem, we multiply by the ones position and the tens position.

$8\times0=0$

$8\times7=56$

$\frac{\begin{array}[b]{r}70\ \times\ 8\end{array}}{ \ \space560}$

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