This math chapter on "Metric Length, Mass, and Volume" focuses on the basic units of measurement within the metric system. This includes meters (and subdivisions like centimeters and millimeters) for length, grams, kilograms for mass, and liters and milliliters for volume. The workbook helps students understand how to estimate and measure different objects using appropriate tools such as rulers or meter sticks for length, balance scales for mass, and measuring cups for volume. Additionally, the workbook covers simple conversions between units (e.g., 1 meter = 100 centimeters, 1 kilogram = 1000 grams, etc.). Measurement comparisons, such as determining which of two objects is longer, heavier, or can hold more liquid, reinforce the concepts learned.

In third-grade math, students should be introduced to the basic concepts of metric measurement, focusing on length, mass, and volume. They should learn to measure length using meters and centimeters and understand how to use tools like rulers and meter sticks. For mass, they should become familiar with grams and kilograms, using scales to estimate and measure the weight of various objects. When it comes to volume, students should explore measuring liquid volume in liters and milliliters, using measuring cups and other containers to visualize and compare capacities.