I can appreciate that a multiplicative relationship between variables can be written in a number of different ways.
I can appreciate that a multiplicative relationship between variables can be written in a number of different ways.
Product - A product in algebra is the result of two or more terms multiplied together.
Rather than learning to rearrange multiplicative relationships pupils can just learn the rearrangements or use a trick.
There are many situations in school and out where this skill is valuable and understanding how to manipulate these relationships will help pupils to understand the mathematics rather than just learn a set of procedures or lots of formulae.
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$$b\times{h}$$ - $$bh$$
$$l\times{w}\times{h}$$ - $$lwh$$
$$2\times{\pi}\times{r}$$ - $$2\pi{r}$$
$$\pi\times{r}\times{r}$$ - $${\pi}r^2$$
$$2\times{b} +2\times{h}$$ - $$2b +2h$$
$$\pi\times{d}$$ - $$\pi{d}$$
