Discussion
How many packets of \( \frac{1}{16} \) kg sugar can be made from \( 3\frac{1}{4} \) kg of sugar?
Answer: A
52 packets can be made.
\[ \begin{aligned} 3\frac{1}{4} \div \frac{1}{16} &= \frac{13}{4} \times 16 \\ &= 13 \times 4 = 52 \end{aligned} \]
Each kilogram makes 16 packets, so 3 kg make 48 and the extra quarter kilogram makes 4 more. 48 forgets that quarter kilogram, 64 counts 4 whole kilograms, and 12 multiplies 3 by 4.
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