Learning to Use ArithmeticD.C. Heath, 1962 - Arithmetic |
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addition amount angle Answers not shown bar graph base basic bers BOOK carefully circle graph column common denominator common fractions complete quotient concept correct cost decimal fractions decimal point develop diameter distance divided dividend division divisor draw emphasis equal equivalent example exercise 9 fact feet figure formula frac gallons give given group errors hundred hundredths illustrative improper fraction inches INTRODUCING THE LESSON larger length LESSON Review line segment means measure miles per hour mixed numbers multiply nearest whole number oral ordered pairs parallelogram percentage perimeter picture place value polygons pounds problem protractor pupils PURPOSE questions quotient ratio rectangle regular polygons RELATED ACTIVITIES rounded selling price sides smaller solve square subtraction symbol teacher techniques tell thousandths tion triangle unit unit fraction whole per cent Write written yards zero