Question

Fill in box:

$\boxed{}$ tens $=$ $1$ thousand

Answer 1

According to place value chart,

$$\begin{gathered} \mathrm{Th}\mathrm{H}\mathrm{T}\mathrm{O} \\ 1000 \end{gathered}$$

$100$ tens $=1000=$ $1$ thousand

So, $\boxed{100}$ tens $=$ $1$ thousand