Measurement
I can estimate how long or heavy an object is, or what amount it holds, using everyday things as a guide, then measure or weigh it using appropriate instruments and units.
MNU 1-11a

To find the mass of objects in units – https://classroom.thenational.academy/lessons/to-find-the-mass-of-objects-in-units-6mukae

To experience standard units of mass – https://classroom.thenational.academy/lessons/to-experience-standard-units-of-mass-70upcd

Kilograms – https://classroom.thenational.academy/lessons/kilograms-70rked

Grams and Interpreting Scales – https://classroom.thenational.academy/lessons/grams-and-interpreting-scales-75j3gt