Fact Triangles are more effective than flash cards in helping students memorize facts, however, because they ... Sample Fact Triangles are shown below, one for an addition/subtraction fact family and one for a multiplication/division fact family.

Title | : | Everyday Mathematics: Grades 4-6 teacher's reference manual |

Author | : | Max Bell, Jean Bell, University of Chicago. School Mathematics Project |

Publisher | : | - 2001-07-01 |

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