Give practice work and timed tests to improve speed and accuracy. Emphasize the ... Give practice in short methods of computation such as multiplying or dividing by 12%, 25, 33%, based on aliquot parts. A shortcut becomes ... To divide by 25, divide by 100 and multiply by 4. A similar rule may ... solving2 a. Use a great variety of problems, GRADE 8B 43 GRADE 8B I Review of the Mechanics of Arithmetic ,

Title | : | Mathematics, Junior High School |

Author | : | Denver Public Schools |

Publisher | : | - 1926 |

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