Grade 7 - Number
Standard 7.N.6 - Add and subtract integers with word problems.
Included Skills: Algebra, Mixed Equations
Demonstrate an understanding of addition and subtraction of integers, concretely, pictorially, and symbolically. • Explain, using concrete materials such as integer tiles and diagrams, that the sum of opposite integers is equal to zero. • Illustrate, using a horizontal or vertical number line, the results of adding or subtracting negative and positive integers (e.g., a move in one direction followed by an equivalent move in the opposite direction results in no net change in position). • Add two integers using concrete materials or pictorial representations, and record the process symbolically. • Subtract two integers using concrete materials or pictorial representations, and record the process symbolically. • Solve a problem involving the addition and subtraction of integers.