Length and height - Measure lengths non-standard units - Presentation

In a series of interactive slides designed for teaching measurement using non-standard units, young learners are introduced to the concepts of length and height through practical examples. The lesson begins with characters Zach and Rosie measuring a stick using leaves, which sparks a discussion about the importance of using objects of the same size for accurate measurement. Rosie suggests using blocks instead, leading to the discovery that a consistent unit of measure is crucial. Students are encouraged to measure various items, ensuring that the measuring objects are uniform in size and placed side by side without gaps.

The lesson continues with activities that involve measuring different objects such as a giraffe using carrots and a fork with paperclips, reinforcing the lesson's key points. The learners are prompted to observe and consider the necessity of using identical-sized units like dienes for precise measurement. The fork's length is then compared to sticks of dienes, and the concept of exchanging one larger unit for smaller ones is introduced to refine the measurement. This practical approach helps students understand the base ten system and the importance of precision in measurement. The lesson concludes with a challenge for the learners to measure a football pitch using appropriate objects and to reflect on their choice of measuring tools.