These 10 Halloween logic puzzles focus on adding and subtracting to 1000 and are great math enrichment for 2nd and 3rd grade! These October brain teasers make great math centers and activities. Fast finishers use their critical thinking skills using addition and subtraction fact families. These Halloween puzzles are perfect for adding a spooky twist to Halloween math stations, morning work, problem of the day, or as mini math lessons in second or third grade. Click here to save 50% when you buy