Multiplication of Grams and Kilograms

Multiplication of grams and kilograms by whole numbers

Multiply 4 kg 320 g by 3.

In groups of four:

$\begin{array}{r} kg & g \\ 4 & 320 \\ \times & 3 \end{array}$

Work out 5 kg 160 g × 5

$\begin{array}{r} kg & g \\ 5 & 160 \\ \times & 5 \\ 25 & 800 \end{array}$

Work out 12 kg 320 g × 7

$\begin{array}{r} kg & g \\ 12 & 320 \\ \times & 7 \\ 86 & 240 \end{array}$

$\begin{array}{r} a) & kg & g \\ 7 & 25 \\ \times & 3 \end{array}$

$\begin{array}{r} b) & kg & g \\ 36 & 50 \\ \times & 5 \end{array}$

$\begin{array}{r} c) & kg & g \\ 120 & 125 \\ \times & 8 \end{array}$

$\begin{array}{r} a) & kg & g \\ 15 & 150 \\ \times & 9 \end{array}$

$\begin{array}{r} b) & kg & g \\ 38 & 250 \\ \times & 10 \end{array}$

$\begin{array}{r} c) & kg & g \\ 165 & 420 \\ \times & 16 \end{array}$

kg g

kg g

kg g

kg g

Answer. The mass of four blocks was
kg g.

Answer. The mass of 12 bags was
kg g.

Answer. The total mass was
kg g.