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➕ Addition & Subtraction on a Number Line

Visualize how positive and negative values shift positions across the horizontal number axis.

=8

Interactive Map

-15
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Start: 5
📍
End: 8
🐦

← Scroll horizontally to see larger numbers on the axis. The bird represents the landing coordinate. →

💡 How to Read the Number Line:

Adding a **positive** number (or subtracting a negative) moves the bird to the **right** (indicated by green). Subtracting a **positive** number (or adding a negative) moves the bird to the **left** (indicated by red).