Mathematical Puzzles These puzzles (most of them old classics) from various sources can be used with pupils who finish classwork early. Most of the questions were chosen with enthusiastic‚ bright early teenagers in mind. Some of the puzzles are also appropriate for class work - an initial worked example on the board will help a lot. There are a few trick questions. Some questions can be quickly answered if you chance upon the right approach‚ but the ’long’ solution isn’t too arduous. Several of
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Name Chapter 2‚ Lesson 1 Practice Date Hands On: Compare and Order Whole Numbers CA Standard NS 1.2 Use > or < to compare the numbers. Make a number line on a separate sheet of paper to help. 1. 4‚351 4. 119‚832 7. 9‚889 4‚315 2. 8‚998 5. 745‚271 8. 911‚238 60‚060 6‚600 30‚298 75‚271 30‚302 3. 69‚780 6. 598‚401 9. 14‚501 96‚870 589‚410 13‚799 Test Practice Circle the letter of the correct answer. 10.
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first country to use an atomic bomb on another country‚ and the U.S. is still the only country to have ever used an atomic bomb. The U.S. dropped the atomic bomb on Hiroshima‚ Japan on August 6‚ 1945 and dropped another atomic bomb on Nagasaki‚ Japan on August 9‚ 1945. 70‚000 died instantly in Hiroshima and 80‚000 died instantly in Nagasaki. Even though the U.S. destroyed many Japanese lives the atomic bombing of Hiroshima was the right decision. However dropping the second atomic bomb on Nagasaki was
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The Atomic Bomb: Beneficial or Disastrous? Was dropping the atomic bomb on Hiroshima and Nagasaki at the end of World War II the most affective action that the United States could have taken? In the American eyes it was a good punishment on Japan in response to the Pearl Harbor attacks on December 7‚ 1941. The way the Japanese leaders launched the fighter planes that came in a destroyed many U.S. naval ships and took thousands lives‚ including soldiers and innocent bystanders‚ was a completely immoral
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Complex Numbers All complex numbers consist of a real and imaginary part. The imaginary part is a multiple of i (where i =[pic] ). We often use the letter ‘z’ to represent a complex number eg. z = 3 +5i The conjugate of z is written as z* or [pic] If z1 = a + bi then the conjugate of z (z* ) = a – bi Similarly if z2 = x – yi then the conjugate z2* = x + yi z z* will always be real (as i2 = -1) For two expressions containing complex numbers to be equal‚
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In 1939‚ a vision was put into motion with the creation of the atomic bomb. The atomic bomb was going to be the answer to the end of World War II and the final factor that would solidify the United States as a true superpower. With the creation of the atomic bomb‚ no one would stand in the way of the United States. The United States became the "New Rome‚" and with the power of the Atomic Bomb behind them‚ no other nation stood in their way. "My God‚ what have we done?" - Robert Lewis‚ the co-pilot
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understanding. Based on geometry alone‚ many special patterns evolve‚ such as the square numbers‚ triangular numbers‚ and much more. The Stellar Numbers are mostly used in astronomy and astrology. Stellar Numbers are figurate numbers based on the number of dots that can fit into a midpoint to form a star shape. The points of the star determine the number of points plotted around the midpoint. Triangular numbers is a figurate number system that can be represented in the form of a triangular grid of points where
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Donneida Thomas December 12‚ 2013 Physics pd. 11 Bombing of Innocent Civilians The former president‚ Harry Truman had to make one of the most crucial decisions of his life. On August 6‚ 1945 during World War II‚ he decided to drop the atomic bomb on two cities in Japan. The first bomb that dropped on Hiroshima was nicknamed “Little Boy”. The explosion wiped out 90 percent of the Hiroshima and immediately killed an estimation of 80‚000 people; thousands more people would later die of radiation
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Atomic energy is energy produced by atoms. The term originated in 1903 when Ernest Rutherford began to speak of the possibility ofatomic energy.[1] The term was popularized by H. G. Wells in the phrase‚ "splitting the atom"‚ devised at a time prior to the discovery of the nucleus. Atomic energy also may refer to: * Nuclear binding energy‚ the energy required to split a nucleus of an atom * Nuclear potential energy‚ the potential energy of the particles inside an atomic nucleus * Nuclear
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Determination of the relative atomic mass of lithium Introduction: For this investigation I will determine the Relative atomic mass (Ar) by using two different methods. In the first method I will dissolve a piece of lithium of a known mass in water‚ I will then collect the hydrogen gas produced‚ which can be used to calculate the relative atomic mass of Lithium. In the second method I will titrate the resulting solution of lithium hydroxide with a known concentration of hydrochloric acid‚ this
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