Terry Stickels, "Math Puzzles and Brainteasers, Grades 3-5: Over 300 Puzzles that Teach Math and Problem-Solving Skills"
Jossey-Bass | 2009 | ISBN: 0470227192 | 256 pages | PDF | 5,9 MB
Jossey-Bass | 2009 | ISBN: 0470227192 | 256 pages | PDF | 5,9 MB
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