Learners explore the concept of equivalence as it relates to comparing concrete objects to determine greater or lesser attributes such as length and weight. For this pan balance-shapes lesson, students make estimations while verifying...

Students are introduced to the solar system and its place in the universe. They begin to grasp the idea of very large numbers by estimating and computing how long it take the class to make a million x's.

Students, in groups, estimate and check the weights of classroom objects using coins as the standard of measure.

Students explore and observe the plant world and acquire knowledge about the functional parts of plants. In this Kool Kumara lesson, students make observations and record specific data on a recording sheet. Students estimation length,...

Fourth graders estimate the measurements of trees using unconventional techniques.

Students utilize their knowledge of measurement in making accurate measurements and estimations.