7.G.A.1
Solve problems involving scale drawings of geometric figures, including computing actual lengths and areas from a scale drawing and reproducing a scale drawing at a different scale.
Example Problems
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?
A scale on a map shows that 3 centimeters represents 10 kilometers.
What number of centimeters on the map represents an actual distance of 25 kilometers?
What number of centimeters on the map represents an actual distance of 25 kilometers?
A scale on a hiking map shows that 1.5 inches represents 4 miles.
What number of actual miles are represented by 6 inches on the map?
What number of actual miles are represented by 6 inches on the map?
Khan Academy ResourcesScale drawing word problemsCorresponding sides and pointsIdentify scale factor in scale drawingsExplore scale copiesRelate scale drawings to areaConstruct scale drawingsScale copiesScale drawingsIdentify scale copiesInterpreting a scale drawingScale factors and areaIdentifying scale copiesSolving a scale drawing word problemExploring scale copiesScale drawing: centimeters to kilometersIdentifying values in scale copiesMaking a scale drawingCorresponding points and sides of scaled shapes
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