Base Ten
How would you convert 11010two to base ten?
11010 in base 2
= 1 x (2^4) + 1 x (2^3) + 0 x (2^2) + 1 x (2^1) + 0 x (2^0)
= 26 in base 10
or 2 x (10^1) + 6 x (10^0)
The same rule applies to any base.
If you are using a scientific calculater, like the one in Windows (Start - All Programs - Assessories - Calculator). You just check Bin, enter 11010, then check Dec, you will be able to change from base 2 to base 10. (if you don't see the option, change to Scientific from "View")
Better practice more paper and pensil calculations before you start trusting calculators. Otherwise, you will never really learn.
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Plastic Base Ten Number Concepts Set Sale Price: $16.13  |
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Teach numerical value, place value, equivalent value, and rounding. Includes 100 cubes, 20 rods, 10 flats, one block, and activity sheet. |
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Dowling Magnets Magnetic - Base Ten Sale Price: $4.15 |
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Grades K - 3. Magnetic base ten set includes four sheets of base ten wholes, tens and single units. Magnetic Easel sold separately. |
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Learning Resources Plastic Base Ten Starter Kit (LER0930) Sale Price: $29.00 |
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Plastic Base Ten Starter Kit This beginning base ten set includes 100 units, 30 rods, 10 flats, one cube, a 96-page Base Ten Book (for 3-4 Students) |
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Base Ten (Women Writing Science Project) Sale Price: $5.95 |
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Compelling and fiercely honest, Base Ten exposes the daily battles of women scientists fighting to preserve a family life and succeed in a discipline that functions on the archaic belief that every scientist has a “wife” at home... |
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Learning Resources Giant Magnetic Base Ten Set Sale Price: $21.98 |
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Giant Magnetic Base Ten Set;Model essential base ten and place value concepts on your whiteboard so the whole class can see. Real photos of base ten blocks go beyond typical base ten magnetics to help students better visualize the 3-D representation of math concepts... |
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Building Understanding with Base Ten Blocks(Primary) Sale Price: $8.95 |
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Base Ten Mathematics: Interludes for Every Math Text Sale Price: $4.75 |
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Learning Resources Interlocking Base Ten Starter Set (LER6356) Sale Price: $34.99 |
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Interlocking Base Ten- Starter Set Includes 100 units, 30 rods, 10 flats, 1 cube and 96 page Base Ten Book. |
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BASE TEN RODS PLASTIC BLUE 50 PK Sale Price: $9.99 |
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Use these plastic base ten rods to teach basic place value and base ten concepts. |
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101 winning ways with base ten: Junior level (grades 4-6) (Active learning series) |
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For such a little island nation, Cuba has certainly played a big part in recent history. Here are ten interesting things about Cuba that you should know.
The Caribbean is full of interesting and beautiful islands. Cuba is one, but what makes it stick out? Here are some hints.
1. Cuba is an island located at the mouth of the Gulf of Mexico. It is the largest island of the Antilles with a total surface area is 110,992 square meters. The population is over eleven million people.
2. Cuba was claimed by Christopher Columbus as a Spanish colony in 1492. In the 1800s, the British captured it for one year, but lost it back to Spain the next year. The United States tried to invade it multiple times from Florida. In 1848, the United States gave up and offered Spain $100 million dollars for Cuba. The offer was rejected.
3. In 1898, the Spanish-American war resulted in Cuba becoming a US Trusteeship for 20 years and the Spanish being expelled. In 1902, the US abandoned this position and granted Cuba its independence.
4. Cuba was an ally of the United States in World War II.
5. In 1952, then president Sergeant Fulgencio Batista lost a popular election and responded with a military coup to take control of the government. Batista's reign was marked by wide spread corruption.
6. In 1959, young rebels led by Fidel Castro overthrew Batista. Che Guevara, an Argentine citizen, tried to convince new government to pursue communism, but Castro resisted.
7. In 1960, Cuba signed a trade agreement with the Soviet Union. This infuriated the United States, who responded with a trade embargo.
8. In 1961, the United States tried to overthrow Castro with the Bay of Pigs invasion. It was a disaster and Fidel Castro responded by officially declaring Cuba a communist country.
9. In 1962, the Soviet Union placed nuclear missiles on Cuba and the resulting Cuban Missile Crisis was arguably the closest the Soviet Union and United States came to global nuclear war. At the last minute, the Soviets backed down.
10. Despite the tensions between Cuba and the United States, the US maintains a notorious military base on the island at Guantánamo Bay.
From a little island to the center of major world events, Cuba should amaze you. As Fidel Castro grows older and older, much of the world waits to see what will happen with his passing.
Rick Chapo is with Nomad Journals - makers of travel journals that make great travel accessories.
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