Mass, Capacity, Temperature - Four operations with mass - Presentation

In a series of engaging and interactive slides, students are introduced to the concept of mass and its measurement through practical examples. The lesson begins by asking students to recall what mass is, setting the stage for a deeper exploration into the subject. The slides guide students through various activities that involve comparing the mass of different objects, such as a cube and a cylinder, and calculating their total mass using Base 10 blocks. This visual representation helps students grasp the concept of adding units and tens to find the combined mass of the objects, which in the given example totals to 69 grams.

Further activities encourage students to calculate the difference in mass between objects, using tools such as bar models to visually partition and compare weights. For instance, students learn to discern that a cylinder is 5 grams heavier than a cube by breaking down the mass into comparable parts. The lesson also includes reasoning tasks, where students must deduce the mass of an item, such as a banana, by understanding its relation to another object's mass, like a bunch of grapes. These exercises not only reinforce the mathematical operations but also develop critical thinking skills. Finally, the slides prompt independent work, where students apply what they've learned to calculate the mass of various items, both individually and in groups, using addition, subtraction, and division, thus solidifying their understanding of mass and the four operations associated with it.