Miami Beach Senior High ninth graders work by the glow of electronic tablets in Nadia Zananiri's World History class on Friday, Nov. 7, 2014.
Miami Beach Senior High ninth graders work by the glow of electronic tablets in Nadia Zananiri's World History class on Friday, Nov. 7, 2014. MARSHA HALPER MIAMI HERALD STAFF
Miami Beach Senior High ninth graders work by the glow of electronic tablets in Nadia Zananiri's World History class on Friday, Nov. 7, 2014. MARSHA HALPER MIAMI HERALD STAFF

Digital textbooks a worthwhile frustration, Miami-Dade teachers say

November 07, 2014 06:19 PM

UPDATED November 07, 2014 07:28 PM

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