1-Digit Addition 1-Digit Addition Want Full Access? Join The Many Satisfied MathTA Users! SIGN UP TODAY OR LOGIN 1-Digit Addition (Level 1) Practice Adding (Level 1) START Adding By 1 Practice Adding by 1 START Adding By 9 Practice Adding by 9 START 1-Digit Addition (Level 2) Practice Adding (Level 2) START Adding By 2 Practice Adding by 2 START Adding By 8 Practice Adding by 8 START 1-Digit Addition (Level 3) Practice Adding (Level 3) START Adding By 3 Practice Adding by 3 START Adding By 7 Practice Adding by 7 START 1-Digit Addition (Level 4) Practice Adding (Level 4) 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 1-Digit Addition (Level 1) 2 Topics | 3 Quizzes Expand Lesson Content 0% Complete 0/2 Steps Adding By 1 Adding By 1 Quiz Adding By 9 Adding By 9 Quiz Basic Addition: Level 1 Quiz 1-Digit Addition (Level 2) 2 Topics | 3 Quizzes Expand Lesson Content 0% Complete 0/2 Steps Adding By 2 Adding By 2 Quiz Adding By 8 Adding By 8 Quiz Basic Addition: Level 2 Quiz 1-Digit Addition (Level 3) 2 Topics | 3 Quizzes Expand Lesson Content 0% Complete 0/2 Steps Adding By 3 Adding By 3 Quiz Adding By 7 Adding By 7 Quiz Basic Addition: Level 3 Quiz 1-Digit Addition (Level 4) 3 Topics | 4 Quizzes Expand Lesson Content 0% Complete 0/3 Steps Adding By 4 Adding By 4 Quiz Adding By 5 Adding By 5 Quiz Adding By 6 Adding By 6 Quiz Basic Addition: Level 4 Quiz 1-Digit Addition (1 to 9) Quiz