Image | |

EAN-13 | 9780887247415 |

Product Name | Math Puzzles And Brainteasers, Grades 3-5: Over 300 Puzzles That Teach Math And Problem-Solving Skills |

Language | English |

Category | Book / Magazine / Publication |

Short Description | Paperback |

Amazon.com | Buy on Amazon ~ 0470227192 |

SKU | GRP37646392 |

Price New | 14.99 US Dollars (curriencies) |

Price Used | 2.53 US Dollars (curriencies) |

Width | 0.62 inches (convert) |

Height | 11 inches (convert) |

Length | 8.5 inches (convert) |

Weight | 28.8 ounces (convert) |

Author | Terry Stickels |

Page Count | 256 |

Binding | Paperback |

Published | 09/15/2009 |

Long Description | Number puzzles, spatial/visual puzzles, cryptograms, Sudoku, Kokuro, logic puzzles, and word games like Frame Games are all a great way to teach math and problem-solving skills to elementary and middle school students. In these two new collections, puzzle master Terry Stickels provides puzzles and brain games that range from simple to challenging and are organized by grade level and National Council of Teachers of Mathematics (NCTM) content areas. Each book offers over 300 brain games that will help students learn core math concepts and develop critical thinking skills. The books include a wide range of puzzle types and cover a variety of math topics, from fractions and geometry to probability and algebra. |

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Created | 02-26-2012 6:38:13pm |

Modified | 04-22-2017 3:20:55am |

MD5 | 4742bbea128e3919d37254e94f8777ee |

SHA256 | c0d6703083ed9c4a52febc81757f597eead3c21b034694e99f8ae0b180041db6 |

Search Google | by EAN or by Title |

Query Time | 0.0077369 |

This symbology was developed by the Plessey Company in England. A variation of Plessey was used by the ADS Company and is known as Anker Code. Anker Code was used in European point of sale systems prior to the advent of EAN. Another variation is known as the MSI Code.

Plessey offers a full range of HEX digits 0-F. The bit pattern of the bits sets the high order bit at the right which is reverse of how we normally think of bits these days. (MSI puts the high order bit on the left).

The start bar is always "D" (1101) and the terminator can be two binary 1's (11) if the barcode is to be read from left to right only. If the barcode can be read in either direction the terminator will be a single binary 1 (1) and is followed by a reverse of the start character or the "B" (1011).

Digit | Strip Bits | Binary Value |

0 | 100100100100 | 0000 |

1 | 110100100100 | 1000 |

2 | 100110100100 | 0100 |

3 | 110110100100 | 1100 |

4 | 100100110100 | 0010 |

5 | 110100110100 | 1010 |

6 | 100110110100 | 0110 |

7 | 110110110100 | 1110 |

8 | 100100100110 | 0001 |

9 | 110100100110 | 1001 |

A | 100110100110 | 0101 |

B | 110110100110 | 1101 |

C | 100100110110 | 0011 |

D | 110100110110 | 1011 |

E | 100110110110 | 0111 |

F | 110110110110 | 1111 |

START | 110110100110 | 1101 |

STOP > | 110110 | 11 |

STOP < > | 110110100110110 | 11011 |

You can use the stripe bits can be used to generate the graphic pattern. If you want to see this trick, check out the MSI Code page. Plessey uses a cyclic (or polynomial) check code technique which is applied to the reading of barcode labels and transmission of data. This technique is a fair compromise between the extra redundancy and the error detecting power. Roughly one undetected error per hundred million 6 digit transactions.

If you would like to generate your own Plessey Barcode, please visit our free barcode generator page. Make your code, save it and use it how ever you like.