Developing Mathematical Understandings in the Upper Grades

ability able algebra algorism angle answer apply approximately arithmetic basic cent Chapter circle classroom common fractions computation concepts construction cost cubes dealing decimal fractions denominator diagnostic test diagram difficulty discussed divided division divisor Education elementary algebra enrichment equal equation evaluation example experience exploratory materials expressed factors figure formula geometry graph high school level illustrate inches informal geometry instruction integer interest involved junior high school kind learning magic square mathematics program meaning meaningful measurement method metic multiplying needs number system operations parallelogram principle problem solving procedures proper fraction protractor pupils quantities quotient ratio reading rectangle relationships represent round numbers shown situations skills slide rule slow learners solution square root subtraction superior student Teachers of Mathematics teaching textbook tion topic triangle two-place number understand units upper grades verbal problems visual whole number