Work out the numerical sequence and complete all the missing numbers. In the first 15 worksheets, each has 8 rows of identical numbers. By observing each row, you can determine the sequence of numbers. Then simply write in the spaces where the missing numbers should be. The last 6 worksheets depict a 10x10 grid with numbers from 1 to 100. Similarly, the idea is to simply fill in the missing numbers. This is a fun series of worksheets that encourage kids to think critically while working with bas