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Learners investigate weight by building a spring scale. They observe and record how it responds to objects with different masses.

In this math activity, learners pretend there is a special store that lets you pay for toys by their weight in pennies.

In this activity, learners will build thier own balance scale. Learners will explore weight and comparison through this activity.

In this three/four-day lesson, learners calculate perimeters and areas and draw the castle plan to scale.

In this math activity, learners pretend there is a special store that lets you pay for toys by their height in pennies.

In this activity, learners build a LEGO® structure while wearing mittens. This activity shows learners how difficult it is to build small things when your tools are too big.

In this activity, learners try to put together toy bricks—wearing oven mitts on their hands! This activity shows learners how difficult it is to build small things when your tools are too big.

Groups of learners are provided with a generic car base and an egg. Their mission: design a device/enclosure to protect the egg on or in the car as it rolls down a ramp with increasing slopes.