Transcription of Mental Math
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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 2008 Table of ContentsMental math in the Elementary Mathematics Curriculum ..1 Definitions and Connections ..6 Rationale ..7 Introducing Thinking Strategies to Students ..8 Practice and Reinforcement ..9 Response Time ..10 Assessment ..12 Timed Tests of Basic Facts ..12 Parents and Guardians: Partners in Developing Mental math Skills ..13 Pre-operational Skills ..17 Patterned Set Recognition ..17 Part-Part-Whole Relationships ..17 Ten-Frame Visualization ..17 Other number Relationships ..18 One More/One Less and Two More/Two Less ..18 Next number and Counting On and Back ..19 Fact Learning - Addition ..23 Reviewing Addition Facts and Fact Learning Strategies ..23 Doubles ..24 Plus 1 Facts ..25 Plus 2, Plus 3 Facts ..27 Using Five-Frames and Ten-Frames ..27 Model Numbers on a Five-Frame.
• 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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