Getting Started As) f Mental Math and Reflexes Have students write as many names as they can for the number 124 on their slates. ... 90 - 37 239 - 157 Study Link 2.8 Follow-Up Briefly go over the answers. ... 11) WHOLE-CLASS ACTIVITY ffff t Students in Third Grade Everyday Mathematics used the trade-first method to find differences. ... Thata#39;s OK. Whata#39;s important is that a student trades correctly, . Lesson 2. 9 121. 5 4J7J2 9 -3 4;0;2 6 2 oMo 3 100s Kk ll 3 5 2 - 1 Ia#39;4 100s 105 Is 4 12 3anbsp;...

Title | : | Everyday Mathematics: Teacher's lesson guide, vol. 1 |

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

Publisher | : | - 2002 |

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