Grade 5 - Numbers, Operations and Relationships
Standard 5.NOR.1.1.4 - Solve subtraction equations to find the missing digit.
Included Skills: Subtraction
Whole numbers. Calculation techniques • Using a range of techniques to perform and check written and mental calculations of whole numbers including: - estimation - adding and subtracting in columns - building up and breaking down numbers - using a number line - rounding off and compensating - doubling and halving - using addition and subtraction as inverse operations - using multiplication and division as inverse operations