Grade 3 - Number
Standard 3.N.9 - Find the missing number of a subtraction sentence.
Included Skills: Subtraction
Demonstrate an understanding of addition and subtraction of numbers with answers to 1000 (limited to 1, 2 and 3-digit numerals) by: • using personal strategies for adding and subtracting with and without the support of manipulatives concretely, pictorially and symbolically. • creating and solving problems in contexts that involve addition and subtraction of numbers concretely, pictorially and symbolically.