## Number Lines with Missing Numbers

Number lines with missing numbers give students an opportunity to apply some mental math to sequences on a number line. The worksheets below come in different ranges of numbers with larger possible common differences on the worksheets with larger numbers.

The common differences were customized on the following worksheets based on a user request. The possible common differences are: 2, -2, 5, -5, 20, -20, 25, -25, 100 or -100.