Finding Side Lengths by Counting Units
I can find the length of a horizontal or vertical side by counting units between points.
📘 Word Bank + Sentence Frames
vertexhorizontalverticalside length
- Horizontal side: subtract the x-values. Vertical side: subtract the y-values.
- Frame: "From (____,____) to (____,____) the length is ____ units."
👀 See It
From (1, 2) to (6, 2): same y, so length = 6 − 1 = 5 units (a horizontal side).
✏️ Your Turn
0 of 3 checks complete
1. Length from (2, 3) to (2, 9)?
2. Length from (1, 4) to (7, 4)?
3. A side from (0, 0) to (0, 5) is…
💬 Explain Your Thinking
Explain how you find a side length on the grid:
"The side from (blank,blank) to (blank,blank) is blank because I subtracted the blank-values."