Early fraction calculation ability.
Mix KS, Levine SC, Huttenlocher J.
Mix KS, et al. Among authors: huttenlocher j.
Dev Psychol. 1999 Jan;35(1):164-74. doi: 10.1037//0012-1649.35.1.164.
Dev Psychol. 1999.
PMID: 9923472
Three- to 7-year-olds' ability to calculate with whole-number, fraction, and mixed-number amounts was tested using a nonverbal task in which an amount was displayed and then hidden (J. Huttenlocher, N. C. Jordan, & S. C. Levine, 1994). Next, an amount was added …
Three- to 7-year-olds' ability to calculate with whole-number, fraction, and mixed-number amounts was tested using a nonverbal task in which …