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What will happen to the inchworm when the U.S. finally goes metric?

He'll have to become a centipede!

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Basic Lesson
Introduces reading rulers in the scale of inches.
Standard: MATH 4
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Intermediate Lesson
This lesson uses more advanced measurement skills.
Standard: MATH 4
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Independent Practice 1
Students practice with 10 reading the ruler problems. The answers can be found below.
Standard: MATH 4
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Independent Practice 2
Students practice with 10 reading the ruler problems. The answers can be found below.
Standard: MATH 4
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Independent Practice 3
Students practice with 10 reading the ruler problems. The answers can be found below.
Standard: MATH 4
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Independent Practice 4
Students practice with 10 reading the ruler problems. The answers can be found below.
Standard: MATH 4
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Homework Worksheet
Reviews all skills in the unit. A great take home sheet. Also provides a practice problem.
Standard: MATH 4
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10 problems that test ruler skills.
Standard: MATH 4
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Answers for the homework and quiz.
Answers for both lessons and both practice sheets.

Learning Measurements by using your Kitchen
If you want to learn or teach measurements, the best place to do so is in the kitchen.
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Why do we have units of measurement?
Without a standard measure of weight, in this case an ounce, you wouldn't know exactly what you are paying for.
View Math Article