Around 90 percent of the third- grade students correctly solved one-step, whole- number addition word problems, and about 70 percent correctly solved one-step, whole-number subtraction word problems. Students in seventh grade performed anbsp;...

Title | : | Mathematics Methods for the Elementary and Middle School |

Author | : | Mary M. Hatfield, Gary G. Bitter |

Publisher | : | Allyn & Bacon - 1993 |

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