Ask: If I were blindfolded, how would you tell me where the door is?Students should respond with both the estimated length and a direction.Ask: About how far am I from the door now?Students should respond with an estimated number of feet.Now, stand so that the door is to your left.If students provide different units, even nonstandard ones like "steps" or "arm lengths," call attention to the differences and encourage them. Ask: If I were blindfolded, how would you tell me where the door is?Students should respond with both the estimated number of feet and a direction.Ask: About how far am I from the door?Students should respond with an estimated number of feet.Stand so that the door is to your right.They also need to be able to compute with negative numbers. ![]() Prerequisite Skills and Concepts: Students need to be familiar with the inequality symbols and how to make and use a number line.
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