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Fraction / Decimal / Percent Visual Tutor Field Guide: When Four Linked Views, One Long-Division Remainder Loop, and One Terminating-Decimal Test Decide Whether Your Child Reads 0.45 as Smaller Than 1/2
A linked pie, fraction bar, 10x10 percent grid, and 0-1 number line, driven by one slider, with a long-division remainder loop that detects repeating decimals — and four views that catch the common-sense mistakes (0.45 < 1/2, 1/8 < 1/6, percent of a number is not always over 100) before they take root.
