Children you may like to: <br />
<ul>
<li>complete the silhouettes of two of the convex shapes that can
be made;</li>
<li>find out what you can about the terms convex and concave.
Find ways of explaining the ideas to your friend,
family and teacher.</li>
<li>make a collection of things that are concave or convex or
both;</li>
<li>invent an acrostic for both CONCAVE and for CONVEX (hint: Xray/
Xylophone/ Xmas..).</li>
</ul>
<div>Parents you may like to:</div>
<ul>
<li>explain your understanding of the terms convex and concave and
how you remember which is which;</li>
<li>form a collection of things from around the house that are
convex/ concave in design; e.g. a empty cup - is this convex or
concave or both? what about a full cup?</li>
<li>explore what happens when looking in convex/ concave
mirrors</li>
<li>find other words that are often used to mean convex/ concave
Can you find a 7 letter word for convex? 8 letter word for concave?
etc..</li>
</ul>
<div>Teachers you may like to:</div>
<ul>
<li>investigate the other 11 REMAINING convex figures that can be
made using the tangram</li>
<li>explore when convex/ concave lens and mirrors are used and
why.</li>
<li>explore more fully the mathematical definitions for convex and
concave shapes (see below)</li>
<li>consider where terms like 'rude health' come from and try to
list more that are similar</li>
<li>discuss in what other contexts animals are used to describe
behaviour and other human characteristics? e.g. (Mai Ling) being
badgered by the workmen horsing around! wolfing food
down!......</li>
</ul>
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