In this Grade 4 Maths lesson on Length, students will explore how to measure and compare lengths using millimeters, centimeters, meters, and kilometers. The lesson explains unit conversions, addition & subtraction of lengths, and includes real-life word problems to build practical understanding. Students will also practice through worksheets, fill-in-the-blanks, and MCQs, along with exercises in conversion and daily-life estimations. A perfect guide to master the metric system of measurement.