Topic 6: Subtraction Facts to 20
6-1: Making 10 to Subtract
6-2: More with Making 10 to Subtract
6-3: Using Related Facts
6-4: Fact Families
6-5: Using Addition to Subtract
6-6: Subtraction Facts
6-7: Problem Solving: Draw a Picture and Write a Number Sentence
6-1: Making 10 to Subtract
6-2: More with Making 10 to Subtract
6-3: Using Related Facts
6-4: Fact Families
6-5: Using Addition to Subtract
6-6: Subtraction Facts
6-7: Problem Solving: Draw a Picture and Write a Number Sentence