20 MATH STORIES y en español 
20. How lefthanded are you? (gr. 28): Little Bear tries to measure how lefthanded she is. How will she do it? [data management; measurement]  
NUMBER PATTERN/ALGEBRA MEASUREMENT/GEOMETRY DATA/PROBABILITY


Can you measure left and righthandedness? Bear tries to measure how lefthanded she is. How will she do it? Content: measurement; data colleaction and analysis; methods for measuring left and righthandedness 34 pages 
