Introducing difficult mathematics topics in the elementary classroom : a teacher's guide to initial lessons / Francis J. Gardella.

Includes bibliographical references and index.

How children learn mathematics (and why it doesn?t happen!) -- Median : finding what's in the middle -- Rounding : the mystery of "rounding up for 5" -- Skipping multiplication (or at least through it) -- Learning to use division -- Fractions : what's it all about? -- Fractions : adding unlike things' impossible!!! -- Fractions : dividing into small pieces -- Decimals : operations before rules -- Measurement : make your own ruler -- Area : skipping through the rows -- Volume : it's like look at an apartment house? -- Mean : how much does each get? -- Percent : leveling the field of comparison -- Order of operations : an agreement? did you get the memo?