Number Bonds and Missing Addends: This fun worksheet bundle includes 10 worksheets, with a corresponding answer key for teacher use. The pdf is high resolution, and made to fit 8.5" 11" paper seamlessly.In this set we cover number bonds and missing addends. Students use the two addends in number bond sets to find the missing addend. For example 2+?=5. The "?", which would be the missing addend, would be found to be 3.You can use these as in-class teaching material, assessment, reinforcement, or