CH 14: Some Answers from Spain

Challenge 14

Cut the Cross Puzzle

With two straight lines, cut the Swiss Cross into four congruent pieces which then fit together to make a square

Solution

Autumn- summary

CH 13: Some answers from Spain

Answers from 6ºA and 6ºB class (11 years old)

Challenge 13 answers from Poland

Challenge13

Challenge 13 (for younger students)

 

Using three straight lines, divide the cabbage patch up into six sections with two cabbages in each section.

Solution to challenge 12

Solution by Lithuanian students

Begin by folding the string in half along its length; this will be 1/3 m.

Fold the 1/3 m length in half, giving 1/6 m.

Finally fold the 1/6 m length back along the length of the string.

The remaining length will be 2/3 1/6 = 1/2 m.

Some answers to challenge 12 from Poland

Autumn in Germany

Answer for challenge 12 from Greece

 

We bend the string in two equal halves. This is equal to 1/3 of the meter. We bend it again in two equal halves. This is 1/6 of the meter. We cut it off and the rest of the string is half a meter.

Pupils of Gymnasio Soufli.

 

Challenge 12 (for 10-11 years students)

A piece of string measures 2/3 m. Without the use of any other measuring tools, how would you use the string to measure 1/2 m?

Challenge 11: Some answers from Spain...

Autumn in Lithuania from Laima Cepulinskiene