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Mental Blocks

The World of Illusion Knitting

Old patterns and tools for sale

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Mental Blocks

The World of Illusion Knitting

Old patterns and tools for sale

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SOME SQUARE OVER THE RAINBOW

It is obvious that it has the seven colours of the rainbow and that it has squares but it also repesents one way of generating square numbers.

Every square number is the sum of odd numbers. The odd numbers here are shown in the L shapes:

1 + 3 + 5 + 7 + 9 + 11 + 13 = 49, which is the square of 7.

Every square number is the sum of odd numbers. The odd numbers here are shown in the L shapes:

1 + 3 + 5 + 7 + 9 + 11 + 13 = 49, which is the square of 7.

KNITTING INFORMATION

Use any yarn and needles of your choice. It is not essential to use seven different colours. The design works well in two colours. You don’t even need to have seven bands.

The afghan can be made to any size by adjusting the number, and width, of the squares.

Scroll down for more information about

Some Square Over The Rainbow

Some Square Over The Rainbow

RELATED DESIGNS

NUMBER AFGHANS

CONSTRUCTION INFORMATION

The original afghan was constructed in L-

The L-

It could be knitted in strips.

Some Square Over The Rainbow has 49 small squares -

Each colour has an odd number of squares. There is one violet square, 3 indigo squares, 5 blue, 7 green, 9 yellow, 11 orange and 13 red, making the total of 49.

Square numbers are the sum of odd numbers.

The first square number is 1.

The second is 4 (2 x 2), which is 1 + 3.

The third is 9 (3 x 3), which is 1 + 3 + 5.

... and so on

The seventh is 1 + 3 + 5 + 7 + 9 + 11 + 13 = 49