This math fact fluency Addition Facts within 10, 20, 50, 100.The tests were designed to be administered by alternating addition. This helps students use related addition facts to solve the.Includes:Addition of numbers up to 10 worksheet, 5 pagesAddition of numbers up to 20 worksheet, 5 pagesAddition of numbers up to 50 worksheet, 5 pagesAddition of numbers up to 100 worksheet, 5 pagesYou can use it for quizzes, morning work, group work, etc.