1-Digit Addition 1-Digit Addition Want Full Access? Join The Many Satisfied MathTA Users! SIGN UP TODAY OR LOGIN Adding By 1 Practice Adding by 1 START Adding By 9 Practice Adding by 9 START Adding By 2 Practice Adding by 2 START Adding By 8 Practice Adding by 8 START Adding By 3 Practice Adding by 3 START Adding By 7 Practice Adding by 7 START Adding By 4 Practice Adding by 4 START Adding By 5 Practice Adding by 5 START Adding By 6 Practice Adding by 6 START Course Content Expand All Adding By 1 1 Quiz Expand Lesson Content Adding By 1 Quiz Adding By 9 2 Quizzes Expand Lesson Content Adding By 9 Quiz Basic Addition: Level 1 Quiz Adding By 2 1 Quiz Expand Lesson Content Adding By 2 Quiz Adding By 8 2 Quizzes Expand Lesson Content Adding By 8 Quiz Basic Addition: Level 2 Quiz Adding By 3 1 Quiz Expand Lesson Content Adding By 3 Quiz Adding By 7 2 Quizzes Expand Lesson Content Adding By 7 Quiz Basic Addition: Level 3 Quiz Adding By 4 1 Quiz Expand Lesson Content Adding By 4 Quiz Adding By 5 1 Quiz Expand Lesson Content Adding By 5 Quiz Adding By 6 2 Quizzes Expand Lesson Content Adding By 6 Quiz Basic Addition: Level 4 Quiz 1-Digit Addition (1 to 9) Quiz