Free Missing Addend Flip Cards - Engaging Math Activity for Kids #3405140 (License: Personal Use)

These educational flip cards feature playful monster characters and visual representations of numbers to help children identify the missing addend in simple equations. Each card shows a total number, a set of illustrated monsters, and a blank space (marked with a question mark) for the unknown addend, encouraging hands-on learning and number sense development. The green flip covers allow students to self-check their answers by lifting the flap.

Used in early elementary classrooms or homeschool settings for math centers, small-group instruction, or independent practice; targets foundational addition concepts and promotes active engagement through tactile learning.