What child doesn't love monsters? Students will solve number problems that call for addition of three whole numbers whose sum is less than or equal to 20. Students will cut out appropriate numbers and glue them onto the appropriate boxes in order to demonstrate their thinking. Students will demonstrate multiple ways to find the unknown addend. Turn on the song Monster Mash and get ready to grumble!
This resouce includes two printable pages that require students to solve for the unknown addend.
This activity meets the Common Core Standards of OA.1 and OA.3.
Copyright Anna's Firstie Adventures 2014 All Rights Reserved