# Dot-decimal notation

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to introduce the Hindu-Arabic number system into Europe. It was the positional system that we currently use today based on ten digits with its decimal point and most importantly a symbol for zero. In the new system the order of the number mattered since for example, twenty-five is completely different than fifty-two. The position of each digit was significant, therefore zero was needed to get digits into their correct places. For example, writing two thousand and five required two zeroes in…

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How do you administer the items? - The child draws a line from the black dot to the gray dot. Further instructions are given once there are multiple starting points (i.e., more than one black dot) or there are no dots at all to follow – these instructions are given on the second page of the test where the examinee is reminded of the initial instructions and is told that for items with no dots, they can start anywhere. Individual items are not timed – the entire test is timed. 7. Basal rule - If…

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60 was used for basic math and 360 was used for circles The Sumerians also gave us the decimal system. The Hindu’s gave us the Arabic Numeral System which gave mankind counting numbers. With the extension of numbers, math took off. The Hebrew’s gave us another numeral system but this one went into the hundreds. The Babylonians gave us the digit 0 and then we had a a completed number system for that time. Agriculture was a ginormous element when civilization was first coming together and it has…

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interesting, they said “I know how to work this out, you look at the first two numbers and then you look at the last numbers”. The child placed 2900 before 2092 when asked to place the numbers in order from smallest to largest. This misconception shows that the child’s understanding of place value, particularly with larger numbers is confused as they believed the ‘92’ was larger than the ‘00’ but they did not consider the numbers in the hundreds and thousands places. The child also wrote…

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Ryan- Hello and welcome to X+Y math news at 9:30!!!! Our top story - during a fight, 5 and 6 divided. The whole problem is negative 5/6k=12. to help find what k= our mathematicians have done the following steps. To solve this problem first they found the multiplicative inverse of -⅚ which is -6/5. next they changed 12 into a fraction which is 12/1 then finally they along with cross cancel. Finally they found the answer which is k=-72/5!!!!! As well as another problem has showed up in…

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The importance in learning that fractions are in fact divisional problems and be directly compared to against a decimal number. It is at this stage that there is many opportunities to demonstrate the relationship between fractions and decimals. Educators are able to introduce the idea by working with smaller numbers asking to share three items between four people evenly. The students are required to find that they need to look at the three objects as parts of a whole so that it can be divided…

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It accepts an M-ary value that specifies a predefined symbol map with the number of distinct symbol map values to use as symbols. samples per symbol specifies an even, positive number of samples dedicated to each symbol. Multiply this value by the symbol rate to determine the sample rate. The default value is 16. symbol values specifies an array of symbol values with an order that corresponds to the symbol map. The number of QAM states in the array must be 2N, where N is the number of bits per…

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Conclusion The hypothesis for the best angle to shoot a paintball to achieve the farthest distance possible was rejected.The data from the experiment that supports this conclusion is, the distance of the paintball that was shot from a 35 degree angle traveled, on average, 126.56 meters. This distance is 2.84 meters greater than the average distance of the paintball shot at 30 degrees. The average distance of the paintballs shot at 35 degrees was also, 15.31 meters larger than the average…

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This summer I built the classic puzzle game Bejeweled, and abstract strategy games English Draughts and Chess. I did this because I am a big fan of all three of these games, and I wanted to challenge myself by implementing the game logic. Also during the summer I started learning android. The app that I built that I am most proud of is a calculator that works in sixty different numeral systems from base 2 to base 62. I started the project making a calculator that uses hexadecimal instead of…

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