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What's on the worksheet
- Find the rise and hypotenuse of a second slope triangle of the same line:
- Find the right-angle corner of a slope triangle on a line through two points.
- Follow Kofi's moves right and up on a grid and decide if the points are on one line.
- Check Mia's right triangle drawn with its hypotenuse on a line.
- Word problem: Hannah's long board resting on identical stairs.
- Test whether slope triangles on a curve of squares give the same slope.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Slope triangles: why a line has one slope everywhere: the lesson ›More Chapter 4 worksheets: Proportional relationships and slope
- 4.1Rate of change
- 4.2Slope from a graph or a table
- 4.3The slope formula and the four kinds of slope
- 4.4Slope triangles: why a line has one slope everywhere
- 4.5Direct variation
- 4.6Inversely proportional relationships
- 4.7Recognizing a proportional relationship in a graph