This collection has 32 task cards to practice adding three three-digit numbers.
A student answer sheet and key are included. Your students will enjoy the charming graphics as they practice. Task cards are great for individual practice, early finishers, and class practice.
Addresses CCSS.Math.Content.2.NBT.B.6 and 3.NBT.A.2
Looking for more math activities?
Math for Second Grade
Math for Third Grade