How to solve missing numbers problem in year 2? Do your children need practice with missing number problem in addition and subtraction questions? Do they need additional materials to provide a little more practice, both in school and for…... This content is for Year and Year members only.login Join Us Sample Tags: Free worksheets, Math, missing number, Year 2 Share: About Author The Mum Educates TME provides quality and resources for kids learning. Bring learning resources to life with provided worksheets, activities, tasks and many more.