The following 3-year-olds are asked to count the number building blocks (five each) placed in front of them. Which of the following responses best illustrates the one-to-one principle?
A) Howie, who says, "1, 4, 2!"
B) Heidi, who says, "5, 3, 1, blastoff!"
C) Tyra, who says, "One hand has five fingers."
D) Simon, who says, "1, 2, C, D, F."

Question

Quizplus · Accepted Answer

Simon's response best illustrates the one-to-one principle, as he attempts to assign a unique label (even though incorrect) to each block in a sequential manner, which is a fundamental aspect of counting and understanding quantity.

The Following 3-Year-Olds Are Asked to Count the Number Building