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The Common Core State Standards Initiative, also known as simply Common Core, was a 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.
The World Book Encyclopedia is an American encyclopedia. [ 1] World Book was first published in 1917. Since 1925, a new edition of the encyclopedia has been published annually. [ 1] Although published online in digital form for a number of years, World Book is currently the only American encyclopedia which also still provides a print edition. [ 2]
The 4–4–5 calendar is a method of managing accounting periods, and is a common calendar structure for some industries such as retail and manufacturing. It divides a year into four quarters of 13 weeks, each grouped into two 4-week "months" and one 5-week "month". The longer "month" may be set as the first (5–4–4), second (4–5–4), or ...
Many of the structures on these lists were built much earlier than the Middle Ages but were well known throughout the world. [4] [5] Typically representative of such lists are: [3] [4] [6] [7] Catacombs of Kom El Shoqafa, a 2nd-century funerary complex in Alexandria, Egypt. Colosseum, a 1st-century amphitheatre in the centre of the city of Rome ...
Science is a strict systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the world. [1] [2] Modern science is typically divided into three major branches: [3] the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study ...
If all of Earth's crustal surface were at the same elevation as a smooth sphere, the depth of the resulting world ocean would be 2.7 to 2.8 km (1.68 to 1.74 mi). [194] About 97.5% of the water is saline ; the remaining 2.5% is fresh water .
A simple fraction (also known as a common fraction or vulgar fraction, where vulgar is Latin for "common") is a rational number written as a / b or , where a and b are both integers. [ 9] As with other fractions, the denominator ( b) cannot be zero. Examples include 1 2 , − 8 5 , −8 5 , and 8 −5 .
Reading is the process of taking in the sense or meaning of letters, symbols, etc., especially by sight or touch. [1] [2] [3] [4]For educators and researchers, reading is a multifaceted process involving such areas as word recognition, orthography (spelling), alphabetics, phonics, phonemic awareness, vocabulary, comprehension, fluency, and motivation.