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The Practical Aspects of Number Work at the PrimaryGrade Level
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20 pencils ability acquire algebra algorisms apples areas arith arithmetic-teaching Bob saves bundles cent chil child cial common and decimal common fractions computational concepts concrete counting curriculum David Eugene Smith dealing decimal frac decimal fractions decimal point decimal-fraction denominator developed diagrams divided division divisor dren Education eighths elementary algebra emphasis ence equal equivalent fractions example fact Figure formula functional given high school grades hundredths idea inch informal geometry junior high school learner learning materials mathematics matics meaning meaningful ment metic multiplier notation number experiences number operations number system objects paper part-whole relationships phase pils positional notation practice primary-grade prob problems processes pupils quantity rationalization rectangle relation represent ruler situations skills social steps subtraction symbols taught teacher teaching of arithmetic teaching place value textbooks tion topic understanding unit of measure whole numbers writing zero