Curated OER
Comparing
Practice the comparison words lighter, heavier, longer, shorter, smaller, and bigger using this visual chart. For each set of three objects, pupils order them according to one of these terms. The six terms are illustrated above for...
Curated OER
Some Rocks are Heavier Than Others
Students observe several rocks and try to tell by looking and feeling, which rock is the heaviest, and which is the lightest. They take turns putting two rocks at a time in the balance scale to see which rock is the heaviest, then they...
Curated OER
Heavier or Lighter
Math comes alive in this interactive lesson, which prompts students to weigh small classroom-available items (erasers, pencils, rulers) as well as more obscure items that would need to be provided (a basket, a small toy car). Students...