This invaluable resource helps beginning educators focus on the big ideas in teaching mathematics and promote student engagement.GradeaÂ€Â”Subtraction. With ... Prior to this lesson she has spent a good deal of time on addition and has introduced subtraction. ... However, she has planned to present problems that involve other models, such as comparing two quantities, separating a set into two disjoint sets, and finding the missing addend. ... Her third goal is to introduce her students to the concept of regrouping during subtraction.

Title | : | Succeeding at Teaching Mathematics, K-6 |

Author | : | Julie Sliva Spitzer, Cheryl D. Roddick |

Publisher | : | Corwin Press - 2007-12-04 |

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