Topic outline

    • Quiz icon
      Exercise 66. Adding in Columns - no regrouping Quiz
      Not available unless: The activity Exercise 65. Addition and subtraction is marked complete
    • Quiz icon
      Exercise 67. Adding in columns – with regrouping Quiz
      Not available unless: The activity Exercise 66. Adding in Columns - no regrouping is marked complete
    • Quiz icon
      Exercise 68. Subtraction in columns – no regrouping Quiz
      Not available unless: The activity Exercise 67. Adding in columns – with regrouping is marked complete
    • Quiz icon
      Exercise 69. Subtraction in columns – with regrouping Quiz
      Not available unless: The activity Exercise 68. Subtraction in columns – no regrouping is marked complete
    • Quiz icon
      Exercise 70. Addition word problems Quiz
      Not available unless: The activity Exercise 69. Subtraction in columns – with regrouping is marked complete