Curated OER
How Heavy
Break out the balances for this primary grade lesson on weight measurement. Using common elementary school manipulatives like unifix or snap cubes, young mathematicians determine the weight of four different classroom objects. A graphic...
Illustrative Mathematics
Which Weighs More? Which Weighs Less?
Expand the the comparative language of young mathematicians with a hand-on weight measurement activity. Working independently or in pairs, children compare the weight of large wooden blocks to various other classroom objects, recording...
Starfall
Starfall: Weight
In this interactive, students weigh a rabbit, frog, and kangaroo by adding blocks to the scales until they are exactly even.