Learn on PengienVision, Mathematics, Grade 5Chapter 12: Convert Measurements

Lesson 3: Convert Customary Units of Weight

In this Grade 5 lesson from enVision Mathematics Chapter 12, students learn how to convert customary units of weight among ounces, pounds, and tons using multiplication to convert from larger to smaller units and division to convert from smaller to larger units. Students apply the conversion facts 1 pound equals 16 ounces and 1 ton equals 2,000 pounds to solve real-world problems and compare weights across units.

Section 1

Customary Units of Weight

Property

The customary system uses ounces, pounds, and tons to measure weight.

1 pound (lb)=16 ounces (oz)1 \text{ pound (lb)} = 16 \text{ ounces (oz)}
1 ton (T)=2,000 pounds (lb)1 \text{ ton (T)} = 2,000 \text{ pounds (lb)}

Lesson overview

Expand to review the lesson summary and core properties.

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Section 1

Customary Units of Weight

Property

The customary system uses ounces, pounds, and tons to measure weight.

1 pound (lb)=16 ounces (oz)1 \text{ pound (lb)} = 16 \text{ ounces (oz)}
1 ton (T)=2,000 pounds (lb)1 \text{ ton (T)} = 2,000 \text{ pounds (lb)}