Addition and Subtraction
Big Idea #13: Representing Action
Task 13A (Word), Task 13A (PDF)
Task 13D (Word), Task 13D (PDF)
Big Idea #14: Properties of Addition
Task 14A (Word), Task 14A (PDF)
Task 14B (Word), Task 14B (PDF)
Task 14C (Word), Task 14C (PDF)
Task 14D (Word), Task 14D (PDF)
Big Idea #15: Reasoning About Addition
Task 15A (Word), Task 15A (PDF)
Task 15C (Word), Task 15C (PDF)
Task 15D (Word), Task 15D (PDF)
Big Idea #16: Representing Subtraction
Task 16D (Word), Task 16D (PDF)
Big Idea #17: Connecting Addition and Subtraction
Task 17A (Word), Task 17A (PDF)
Task 17B (Word), Task 17B (PDF)
Task 17C (Word), Task 17C (PDF)
Task 17D (Word), Task 17D (PDF)
Big Idea #18: Reasoning About Subtraction
Task 18A (Word), Task 18A (PDF)
Task 18D (Word), Task 18D (PDF)
Big Idea #19: The Meaning of the Equal Sign
Task 19A (Word), Task 19A (PDF)
Task 19B (Word), Task 19B (PDF)
Task 19D (Word), Task 19D (PDF)
Big Idea #20: Problem Solving With Addition and Subtraction
Task 20A (Word), Task 20A (PDF)