Operating with 10s creates distinct patterns. In these guided practice and puzzle worksheets, students explore the patterns that are created by operating with 10's and through those patterns learn the "rule" when adding, subtracting, multiplying and dividing by 10. After exploration of the patterns, students practice with several worksheets that increase in difficulty and eventually lead towards fluency. These worksheets are ideal for guided practice, reteach and tier 3 intervention that is sup