Lesson 4: Investigating factors
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Lesson 3: Exploring multiples
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Lesson 2: Using skip counting to identifying multiples
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Lesson 1: Exploring equal groups
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Lesson 18: Addition and Subtraction Assessment
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Lesson 17: Applying problem-solving skills
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Lesson 16: Solving addition and subtraction word problems
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Lesson 15: Adding and subtracting money
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Lesson 14: Applying subtraction strategies
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Lesson 13: Using subtraction to make change
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