Cactus Addition Worksheet: 3-digit addition problems without regrouping, with a fun coloring activity based on odd and even sums.
A black and white worksheet titled "Cactus Addition" featuring six 3-digit addition problems without regrouping. Each problem is accompanied by a cartoon cactus illustration. Students are instructed to solve the problems and color the cactus light green if the sum is odd, or dark green if the sum is even.