Kirby is sorting through his mother's cup of change, making ...

[gonzo233]

Kirby is sorting through his mother's cup of change, making separate piles of pennies, nickels, and dimes. He is utilizing the cognitive skill of ______.
 
  Fill in the blank with correct word

Question 2

Beginning at about 7 or 8 years, the child becomes capable of concrete operational thought and is able to grasp identity, reversibility, and other ______ principles.
 
  Fill in the blank with correct word

[dellikani2015]

Answer to Question 1

classification

Answer to Question 2

logical

[gonzo233]

Thanks for the timely response, appreciate it

[AngeliqueG]

YES! Correct, THANKS for helping me on my review