(100 threes are 300.) Now build up a chart on the board that looks like this: 10 X 2 = 20 10 X 3 = 30 through 10 X 9 = 90 100 X 2 = 200 100 X 3 = 300 through 100 X 9 = 900 Pupils will be led to the generalization that multiplying a wholeanbsp;...

Title | : | Learning to Use Arithmetic |

Author | : | Agnes G. Gunderson, George Erwin Hollister |

Publisher | : | - 1958 |

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