Year 4 grade 3 UNIT 3 ADDITION & SUBTRACTION 1 Unit Content Expand All Lesson 1 - Addition 4 Quizzes Expand Lesson Content Unit 3 Lesson 1: Exercise 1 Unit 3 Lesson 1: Exercise 2 Unit 3 Lesson 1: Exercise 3 Unit 3 Lesson 1: Exercise 4 Lesson 2 - Subtraction 3 Quizzes Expand Lesson Content Unit 3 Lesson 2: Exercise 1 Unit 3 Lesson 2: Exercise 2 Unit 3 Lesson 2: Exercise 3 Lesson 3 - Using Addition To Check Subtraction and Subtraction To Check Addition 1 Quiz Expand Lesson Content Unit 3 Lesson 3: Exercise 1 Lesson 4- Word Problems (Addition and Subtraction) 1 Quiz Expand Lesson Content Unit 3 Lesson 4: Exercise 1