Compare and order measurements of mass
I can compare and order measurements of mass.
Compare and order measurements of mass
I can compare and order measurements of mass.
Lesson details
Key learning points
- When the units are the same, you can compare masses in the same way as we compare 2-digit numbers.
- When the units are the same, you can order masses in the same way as we order 2-digit numbers.
- When the units are different, you can compare masses by looking at the unit rather than the numbers.
Common misconception
Children often believe that the size of the item relates to its mass and that a larger item will always be heavier than a smaller item.
Explore examples where the larger item is lighter and the smaller item is heavier to address this misconception. For example, compare the mass of an inflated balloon with a stone, or an empty box with a small bag full of coins.
Keywords
Lighter - When one object has less mass than another, it is lighter.
Lightest - When an object has the least mass than all the others in a set, it is the lightest.
Heavier - When one object has more mass than another, it is heavier.
Heaviest - When an object has the greatest mass than all the others in a set, it is the heaviest.
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Video
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Starter quiz
6 Questions
Exit quiz
6 Questions
the heaviest object.
the lightest object.
heavier than the beanbag but lighter than the book.
