MA.7.GR.1.5
Solve mathematical and real-world problems involving dimensions and areas of geometric figures, including scale drawings and scale factors.
Example Problems
Polygon H is a scaled copy of Polygon F using a scale factor of .
Polygon H's area is what fraction of Polygon F's area?
Polygon H's area is what fraction of Polygon F's area?
A scale on a hiking map shows that 3 inches represents 1.25 miles.
What number of inches on the map represent 10 actual miles?
What number of inches on the map represent 10 actual miles?
Polygon E is a scaled copy of Polygon F using a scale factor of .
Polygon E's area is what fraction of Polygon F's area?
Polygon E's area is what fraction of Polygon F's area?
Khan Academy ResourcesCorresponding sides and pointsIdentify scale factor in scale drawingsExplore scale copiesRelate scale drawings to areaInterpret scale factor in scale drawingsConstruct scale drawingsScale copiesScale drawingsIdentify scale copiesCreating scale drawingsScale factors and areaIdentifying corresponding parts of scaled copiesIdentifying scale copiesInterpreting scale factors in drawingsSolving a scale drawing word problemExploring scale copiesScale drawing: centimeters to kilometersIdentifying scale factor in drawingsIdentifying values in scale copiesMaking a scale drawingCorresponding points and sides of scaled shapesScale drawings
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