Graphic
Curated OER

Subtract Image With Borrowing

For Students 3rd - 8th
Use this interactive site from Visual Fractions to practice subtraction with fractions on a number line. You will receive immediate feedback on your answers.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.ns Differences and Distances

For Teachers 7th Standards
In this lesson plan, 7th graders explore the differences and distances using a number line and adding and subtracting rational numbers.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Differences of Integers With Different Signs

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Find the difference of integers with different signs.