THE DEVELOPMENT OF COUNTING STRATEGIES FOR SINGLE-DIGIT ADDITION

[21] Resnick L.B., 1983, DEV MATH THINKING, P109

[22] RESNICK LB, 1984, ADV PSYCHOL HUMAN IN, V2, P275

[23] Resnick LB., 1981, PSYCHOL MATH INSTRUC

[24] Riley M.S., 1983, DEV MATH THINKING, P153

[25] Secada W. G., 1983, J RES MATH EDUC, V14, P47, DOI [10.2307/748796, DOI 10.2307/748796]

[26] Siegler R S, 1982, Adv Child Dev Behav, V16, P241, DOI 10.1016/S0065-2407(08)60072-5

[27] Siegler R.S., 1984, ORIGINS COGNITIVE SK, P229

[28] Starkey P, 1982, ADDITION SUBTRACTION, P99

[29] Steffe L.P., 1983, CHILDRENS COUNTING T

[30] STEFFE LP, 1976, 1 U GEORG GEORG CTR

[21] Resnick L.B., 1983, DEV MATH THINKING, P109

[22] RESNICK LB, 1984, ADV PSYCHOL HUMAN IN, V2, P275

[23] Resnick LB., 1981, PSYCHOL MATH INSTRUC

[24] Riley M.S., 1983, DEV MATH THINKING, P153

[25] Secada W. G., 1983, J RES MATH EDUC, V14, P47, DOI [10.2307/748796, DOI 10.2307/748796]

[26] Siegler R S, 1982, Adv Child Dev Behav, V16, P241, DOI 10.1016/S0065-2407(08)60072-5

[27] Siegler R.S., 1984, ORIGINS COGNITIVE SK, P229

[28] Starkey P, 1982, ADDITION SUBTRACTION, P99

[29] Steffe L.P., 1983, CHILDRENS COUNTING T

[30] STEFFE LP, 1976, 1 U GEORG GEORG CTR