Tactic

Use scale factors for similar figures

Find k, then use the power the measure needs

9 min 6 stepsGraded practice at the end

Scale up a shape and its area and volume outrun its sides. The test counts on you forgetting that, the way I counted on nobody counting cafeteria cookies.

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Spot it
Run it
Dodge the traps
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Calls on

Similar figures and scale powersTechniqueFind k once, then raise it to the right power
Exponent and radical rulesTechniqueRewrite everything as one base to one power
Area, perimeter, and volume formulasTechniqueName the shape, then run its formula either way