Let's continue exploring integer subtraction, but let's progress from using colour alone to represent the opposite signs of positive and negatives!
Subtracting Integers Using a Chip Model
/integers/number-line/s
Subtracting integers using numberline - why it doesn't help the learning
What is Subtract? Definition, Method, Examples, Facts
Number - Wikipedia
Level 7 - VIC MATHS NOTES
Subtracting Integers on a Number Line Worksheets
Negative and Positive Rules Adding, Subtraction & Examples
ModuMath Basic Math Learning Objectives
How to add and subtract Integers - Quora
Scaling Ratios in the Ratio Table Visual Number Talk
Integers - Definition, Rules, Properties and Examples
Math Is Visual: Let's Teach It That Way
Subtraction of Integers using Number Line
Subtracting Integers using the Number Line (solutions, examples