Use a ruler to find equivalent halves, fourths, and eighths. ... Use mental arithmetic and basic facts to find the measurement of objects that are longer than a ruler. Estimate lengths and ... Create triangles and rectangles with a given perimeter.

Title | : | Everyday Mathematics Teacher Lession Guide Volume 1 Grade 3 |

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

Publisher | : | - 2007-01-01 |

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