This is the 6th of 7 resources for K-3 showing how to look for a missing number in horizontal and vertical blocks. I also revise a 9X9 sudoku grid containing examples of a row, column, and block.FOR TEACHERSteachers can either go thorugh the slides as a class or use it as a math work station, or have indivdual students work on the activities with worksheet provided. Your choicethe most important part of this lesson is that students learn the words horizontal and verticalyou will find printable