How can one measure weight?

Show how Abdul will use these stone pieces to weigh $4 \mathrm{kg}$ of firewood.

Solve the following and if the product is $m \mathrm{kg} n\mathit{ }\mathrm{g}$, then find the value of $m+n$.

$$\begin{gathered} \mathrm{kg} \mathrm{g} \\ 99 055 \\ \times 4 \\ \overline{ } \end{gathered}$$

Show how Abdul will use these stone pieces to weigh $3 \mathrm{kg}$ of firewood

Show how Abdu will use these stone pieces to weigh $4 \mathrm{kg}$ of firewood.

Now, you show how Abdul will use these stone pieces to weigh $7 \mathrm{kg}$ of firewood.

Show how Abdu will use these stone pieces to weigh $3 \mathrm{kg}$ of firewood

$1 \mathrm{kg}$ potatoes can be weighed by using four $200 \mathrm{g}$ and two $100 \mathrm{g}$ weights.

Now, you show how Abdu will use these stone pieces to weigh $7 \mathrm{kg}$ of firewood.