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Level 2 Fahrtenschwimmer (trail swimmer—badge with two waves and a silver pin) requires 15 minutes of swimming, dive jump or jump from 3-metre (10-foot) height, 10 metres (11 yards) of swimming underwater, pickup of a thick object from deep water (2 m [6.6 ft] water, 2.5 kg [5.5 lb] weight), 50 metres (55 yards) of back crawl, and 10 rules of ...
Gertrude Caroline Ederle (/ ˈ ɛ d ər l i /; [1] October 23, 1905 [2] – November 30, 2003) was an American competition swimmer, Olympic champion, and world record-holder in five events. On August 6, 1926, she became the first woman to swim across the English Channel. [3] Among other nicknames, the press called her "Queen of the Waves". [4] [5]
If a positional numeral system is used, a natural way of multiplying numbers is taught in schools as long multiplication, sometimes called grade-school multiplication, sometimes called the Standard Algorithm: multiply the multiplicand by each digit of the multiplier and then add up all the properly shifted results.
Cycles of the unit digit of multiples of integers ending in 1, 3, 7 and 9 (upper row), and 2, 4, 6 and 8 (lower row) on a telephone keypad. Figure 1 is used for multiples of 1, 3, 7, and 9. Figure 2 is used for the multiples of 2, 4, 6, and 8. These patterns can be used to memorize the multiples of any number from 0 to 10, except 5.
swim at least 800 meters in 30 minutes: 650 meters on the front or the back, 150 on the other side; 50 meters breaststroke in less than 1 minute and 50 seconds; 25 meters crawl; 50 meters backstroke (50 meters in upside-down position with without arm activity) or 50 meter backcrawl; 3x Diving to a depth of 2 meters and retrieving a ring in 3 ...
Starting in 2008, both men and women compete in 10 km open water marathon swim events. The mixed 4 × 100 metres medley relay (2 women and 2 men) was added to the programme in the 2020 Olympic Games .
During the 1960s and 1970s, ISMGF classification cheating occurred in both swimming and wheelchair basketball. Some of the medical classifications appeared arbitrary, with people of different functional levels being put into the same class. This made the results for many games and swimming races appear to be completely arbitrary.
The grid method (also known as the box method) of multiplication is an introductory approach to multi-digit multiplication calculations that involve numbers larger than ten. Because it is often taught in mathematics education at the level of primary school or elementary school, this algorithm is sometimes called the grammar school method. [1]