Mental Math
Mental MathFact LearningMental ComputationEstimationGrade 4 Teacher s Guideb =m ~ ml=_ =OMMM` ~ I=mb=`N^=TkUq W=EVMOF=PSU=QSMMc~ W=EVMOF=PSU=QSOO K K K ~L 2007Table of ContentsMental Math in the Elementary Mathematics Curriculum .............1Definitions and Connections ...................................6Rati onale ........................................ ..........7Teaching Mental Computation Strategies .........................7Introducing Thinking Strategies to Students .......................8Practice and Reinforcement ..................................10Resp onse Time ........................................ ....11Struggling Students and Differentiated Instruction .................12Combined Grade Classrooms .................................13Asses sment ........................................ .......14Timed Tests of Basic Facts.
multiplication, for example, when they discover that 3 + 7 is the same as 7 + 3 or that 3 x 7 = 7 x 3. Knowing this greatly reduces the number of facts that need to be memorized. They use the distributive property when they learn that 12 x 7 is the same as (10 + 2) …
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