Or download our app "Guided Lessons by Education.com" on your device's app store.
What's missing from each of these problems? An operation sign in the parentheses! Your child will use her pre-algebra skills and knowledge of arithmetic to calculate the missing operation: addition, subtraction, multiplication, or division. She'll problem solve and practice process of elimination to make each equation true.
Check out Find the Missing Operation #1 for a similar printable!