A. Number Sense, Concepts, and Operations: 3. The student understands the effects of operations on numbers and the relationships among these operations, selects appropriate operations, and computes for problem solving.: PreK-2: The student...
MA.A.3.1.1 Add Website - Add Activity
understands and explains the effects of addition and subtraction on whole numbers, including the inverse (opposite) relationship of the two operations.
Activity: Division with The Doorbell Rang Activity: The Book Of (Number)
MA.A.3.1.2 Add Website - Add Activity
selects the appropriate operation to solve specific problems involving addition and subtraction of whole numbers.
MA.A.3.1.3 Add Website - Add Activity
adds and subtracts whole numbers to solve real-world problems using appropriate methods of computing, such as objects, mental mathematics, paper and pencil, calculator.