By finding the unknown in 3-digit and 2-digit addition, your child will learn how to add 3-digits and 2-digit numbers with regrouping.
Your child can practice to find the unknown in 3-digit and 2-digit addition by recalling concepts related to addition and finding the missing number.
Learning to find the unknown in 3-digit and 2-digit addition will help strengthen your child's addition & subtraction skills.