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 compare lengths and heights of objects – https://classroom.thenational.academy/lessons/to-compare-lengths-and-heights-of-objects-6wrpce

To measure lengths using non-standard units (Part 1) – https://classroom.thenational.academy/lessons/to-measure-lengths-using-non-standard-units-part-1-64v30t

To measure lengths using non-standard units (Part 2) – https://classroom.thenational.academy/lessons/to-measure-lengths-using-non-standard-units-part-2-6ngkac

To begin to understand standard units of length – https://classroom.thenational.academy/lessons/to-begin-to-understand-standard-units-of-length-69gkct

To solve problems involving doubling and halving – https://classroom.thenational.academy/lessons/to-solve-problems-involving-doubling-and-halving-cmt62c