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In July 2010, the Board also adopted the Common Core State Standards in English Language Arts, which will replace the Reading, Writing, Speaking and Listening standards adopted in 1999. The regulations providing for these new academic content standards took effect upon their publication in the October 16, 2010 edition of the Pennsylvania Bulletin.
In math, 73.79% were on grade level (3rd-4th grades). In fourth grade science, 70.70% of the pupils demonstrated on grade level understanding. [5] Washington Elementary, closed at the end of the 2013–2014 school year. Forbes Elementary, closed at the end of the 2013–2014 school year. Forbes Elementary School was located at 5785 Saltsburg ...
The Common Core State Standards Initiative, also known as simply Common Core, was an American, multi-state educational initiative begun in 2010 with the goal of increasing consistency across state standards, or what K–12 students throughout the United States should know in English language arts and mathematics at the conclusion of each school grade.
A block and tackle [1] [2] or only tackle [3] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift heavy loads.. The pulleys are assembled to form blocks and then blocks are paired so that one is fixed and one moves with the load.
Applicable standards are ASME B18.21.1, DIN 127 B, and United States Military Standard NASM 35338 (formerly MS 35338 and AN-935). [ 9 ] Spring washers are a left hand helix and allow the thread to be tightened in a right hand direction only, i.e. a clockwise direction.
Belts are looped over pulleys and may have a twist between the pulleys, and the shafts need not be parallel. In a two pulley system, the belt can either drive the pulleys normally in one direction (the same if on parallel shafts), or the belt may be crossed, so that the direction of the driven shaft is reversed (the opposite direction to the ...
In human anatomy, the annular ligaments of the fingers, often referred to as A pulleys, are the annular part of the fibrous sheathes of the fingers.Four or five such annular pulleys, together with three cruciate pulleys, form a fibro-osseous tunnel on the palmar aspect of the hand through which passes the deep and superficial flexor tendons.
The lever was also used in the shadoof water-lifting device, the first crane machine, which appeared in Mesopotamia circa 3000 BC, [4] and then in ancient Egyptian technology circa 2000 BC. [6] The earliest evidence of pulleys date back to Mesopotamia in the early 2nd millennium BC, [7] and ancient Egypt during the Twelfth Dynasty (1991-1802 BC ...
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