PBS
Pbs: The Number Line: Rational Numbers and Football
In this interactive, students add and subtract plays on a football field to practice working with negative and positive integers on the number line. Each set of randomized drives consists of seven to nine plays and ends with a touchdown....
Khan Academy
Khan Academy: Equivalent Expressions With Negative Numbers
Practice identifying equivalent expressions involving the addition and subtraction of negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
AAA Math
Aaa Math: Subtraction
This tutorial focuses on basic subtraction, subtraction facts, subtraction skills, subtraction of fractions and subtraction of positive and negative integers. Features include practice exercises and games.
CK-12 Foundation
Ck 12: Arithmetic: Differences of Mixed Numbers Without Renaming
[Free Registration/Login may be required to access all resource tools.] Find the difference of mixed numbers with common denominators.
PBS
Pbs Learning Media: The Number Line: Rational Numbers and Football
Students add and subtract plays on a football field to practice working with negative and positive integers on the number line.