The expanded form of 61000 is:

\begin{equation}

\begin{aligned}

&6 \times \text { Ten thousand }+1 \times \text { Thousand }+0 \times \text { Hundred }+0 \times \text { Ten }+0 \times \text { One } \\&=6 \times 10000+1 \times 1000+0 \times 100+0 \times 10+0 \times 1 \\

&=61000 \\

&=\text { Sixty One Thousand. }\end{aligned}\end{equation}