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By Jeri S. Cipriano. Ask a friend to pick a random number, add this, subtract that-and presto, astound your friend by guessing the new number! Math riddles, mental math tricks, magic squares, brain teasers, geometry puzzlers, amazing math facts, money math, calculator math, math competitions, and more fill this book of reproducible handouts with challenging, fun math-related problems. Grades 4–6. Answer key. Illustrated. 8½" x 11". Good Year. 156 pages. Second Edition. ©2007.

Sample pages

QuantityOrder CodeISBNMedia/ContentPrice
GDY436-WBCFL 9781596471122 Reproducible activity book $19.95
GDY436E-WBCFL Downloadable version (6.3 MB) $19.95