Academic journal article Science and Children

Sneaky Algebra

Academic journal article Science and Children

Sneaky Algebra

Article excerpt

... adapted by TOPS Learning Systems from our GET A GRIP WORKSTATION #73

1. Solve these puzzles by experimenting with lentils:

Fill a container fair and full, and start pouring!

2. Write your solutions as English sentences. For example:

A plus B holds more than C.

Or write as algebra. See how easy: A + B > C

Por carefully to get accurate results.

[ILLUSTRATION OMITTED]

Think of ">" as a hungry alligator chasing the biggerlunch.

[ILLUSTRATION OMITTED]

OBJECTIVE

To compare volumes. To express conclusions in terms of algebraic relationships.

MATERIALS/PREPARATION

* Copy the activity for students or lab teams. Or set up a workstation in a cornerfor individual use.

* Recycle small (2V2 oz), medium (4 oz) and large (6 oz) Gerberbrandbabyfoodjars, marketedas 1st, 2nd and 3rd Foods. Boldly label these A, B, and C from small to large. Apply and cover labels with clear packaging tape. (Freely substitute pill vials, bottles, tins, or other containers with similar size relationships.)

* Set up a "job box" or tub with about 2 inches of lentils in the bottom. Ideally it should have a seamless bottom and the capacity of a small washbasin, perhaps 2 square feet and 4 inches high to accommodate enthusiastic scooping and minimize spills. …

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