Mental Math
Mental MathFact LearningMental ComputationEstimationGrade 2 Teacher s Guideb =m ~ ml=_ =OMMM` ~ I=mb===`N^=TkUq W=EVMOF=PSU=QSMMc~ W=EVMOF=PSU=QSOO K K K ~L 2008Table of ContentsMental math in the Elementary Mathematics Curriculum .............1Definitions and Connections ...................................6Rati onale ........................................ ..........7Introducing Thinking Strategies to Students .......................8Practice and Reinforcement ...................................9Resp onse Time ........................................ ....10Assessment ........................................ .......12Timed Tests of Basic Facts ...................................12Par ents and Guardians: Partners in Developing Mental math Skills ....13Pre-operational Skills ......................................17 Patterned Set Recognition .............................17Part-Part -Whole Relationships ............................17Ten-Frame Visualization.
• Place-value-change strategy for mentally dividing by 10, 100, 1000 • Place-value-change strategy for mentally multiplying by 0.1, 0.01, 0.001 Grade 6 B9-estimate products and quotients involving whole numbers only, whole numbers and decimals, and decimals only B10-divide numbers by 0.1, 0.01, and 0.001 mentally C2-use patterns to explore ...
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