Curated OER
Subtract Image With Borrowing
Use this interactive site from Visual Fractions to practice subtraction with fractions on a number line. You will receive immediate feedback on your answers.
Illustrative Mathematics
Illustrative Mathematics: 7.ns Differences and Distances
In this lesson plan, 7th graders explore the differences and distances using a number line and adding and subtracting rational numbers.
CK-12 Foundation
Ck 12: Arithmetic: Differences of Integers With Different Signs
[Free Registration/Login may be required to access all resource tools.] Find the difference of integers with different signs.