Missing Number 1-20This worksheet will give your students practice with ordering numbers to 20. These worksheets include multiple Fill in the Missing Number Worksheets to use at math centers, as extra practice, or as an assessment tool. These activity pages are great for independent practice, interventions, homework, or math centers. The worksheet include:5 pages for fill in the missing numbersTERMS OF USEFor personal classroom or home education use.Every page of this resource is copyrighted. Yo