Objective: Create conversion tables for length, weight, and capacity units using measurement tools, and use the tables to solve problems.
In Lesson 1, students use two‐column conversion tables (4.MD.1) to practice conversion rates. Students convert from pounds to ounces, yards to feet, and feet to inches. Students begin Lesson 1 by using a balance scale, a 1‐pound weight, and individual 1‐ounce weights (like fishing sinkers). With the 1‐pound weight on one side of the balance, they add one ounce at a time to the other side until it balances to discover that there are 16 ounces in one pound. Students then generate a two‐column conversion table listing the number of ounces in two, three, and up to 10 pounds. They use their multiplication skills from Module 3 to complete the table and reason about why they do not need to complete the table beyond 10 pounds.
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