don steward
mathematics teaching 10 ~ 16

Monday 20 November 2017

equable shapes

'equable shapes' can be an interesting study

these resources practice finding areas and perimeters of common and compound shapes, leading possibly to solving equations

the powerpoint is here

for rectangles, it can be beneficial to appreciate the function/relationship by looking at a full range of values (not just integer values, as is usually a restriction for equable shapes)

the values for 'a' are selected so that the corresponding values for 'b' can be calculated, maybe without a calculator
and a graph of (a, b) values could be plotted - or at least considered

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