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Click a dot to select it. Click on a second dot to draw a line between the two dots.
Join each dot in the vertical line with a dot in the horizontal line so that their numbers add to 13.
Parabola
Equilateral Triangle
Trapezium
Regular Pentagon
Four Point Star
Cardioid
Inner Circle
Concentric Circles
Factor Fountain
Mystic Rose
This activity is about creating what appear to be curves from straight lines.
A search in Wikipedia for 'Curve Stitching' redirects to a page on 'String Art', otherwise known as 'Pin and Thread Art', characterized by an arrangement of coloured thread strung between points to form geometric patterns.
I remember doing curve stitching at my Primary school. First we would punch small holes in patterns in card then we would join up the holed with coloured wool to make similar patterns to those in this online activity. Our finished designs could be used as greeting cards, calendar images or framed pictures for relatives and friends.
Wikipedia goes on to say that String art has its origins in the 'curve stitch' activities invented by Mary Everest Boole at the end of the 19th century to make mathematical ideas more accessible to children. It was popularised as a decorative craft in the late 1960s through kits and books.
There is a printable set of printable templates to go with this activity.
Mathematical Bridge Cambridge [Photo credit: John Tranter] Although it appears to be an arch, it is composed entirely of straight timbers.
SuggestedHow Many Squares? 2
A printable grid containing many copies of the design used in the second
shape counting Starter. |
RelatedAreas of Composite Shapes
Find the areas of combined (composite) shapes made up of one or more simple
polygons and circles. |
Similar ActivityAreas Investigation
Investigate polygons with an area of 4 sq. units. Investigate polygons with other areas. |
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