Robby uses his knowledge of how many marbles fit in a scoop to predict how many marbles will fill a
jar. This concept is known as
A. chunking.
B. counting on.
C. guessing.
D. seriation.
my answer is b.
jar. This concept is known as
A. chunking.
B. counting on.
C. guessing.
D. seriation.
my answer is b.