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Boring Cards
Rarely have we seen such boring teaching aids. Aides yes, but not aids. 4" Sq. cards. The red ones have lines dividing them into 10ths, with from one to nine of the lined off bars shaded. The green ones have lines in both directions, hence are divided into 100ths. From 5 to 95 of the resulting squares are shaded, always in multiples of 5. On the yellow, the 100 squares of the green cards are each sub divided into 10 giving 1000 (yawn) parts to the whole. From 25 to 975 parts are shaded, in multiples of 25. (Snzz) If this how to teach decimals, its no wonder the kids don't learn. Turn the cards over and use the blank sides for craft projects. You get a total of (76) cards, two of each possible red, one of each possible green and yellow. The above should allow you to compute how many of each color you get.
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23299 DECIMAL CARDS |
Ship Shape
Teach your preschooler shapes and spatial relationships with this wonderful European toy. Fold together the sturdy 6" cube in primary colors. Page through the (4) geometrically-shaped, heavy cardboard booklets which are filled with matching pictures - like the sailboat in the triangle book or the clock in the circle book - then drop them into the cube through die-cut geometric openings. Originally $14.99, this is a real find.
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32372 LEARN YOUR SHAPES |
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Raising Kids
Occasionally we in the surplus business end up with something slightly outside our usual pro-vender. These two audio kits with advice on raising kids are cases in point. Each has (4) cassettes and a "work book". Each is by learned experts in the field: Lendon Smith, M.D. and Dr. Curt Shreiner for the age 1-6 guide: Straight Talk on Raising Young Children; Drs. Douglas Powell and Curt Shreiner for the older age guide: Straight Talk on Raising Kids. Try using the tapes while you drive to and from work and hitting the work book after the kids are tucked up. The advice seems pretty straight forward. The problem as originally offered was the price: a whopping $49.95/each!!
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27058 STR. TALK, YOUNG CHILD |
All Humidity Is Relative
Is that a rubber chicken you're swinging above your head? No, it's a sling psychrometer from Sper Scientific! You're not exorcising that science class, you're teaching them basic concepts and elemental weather measurement! You've filled the small reservoir that wets the wick attached to one of the two thermometers in the plastic 9" x 2" x 5/8" device. You've spun it above your head by its fold-out handle like a New Year's Eve noisemaker. You've calculated the difference in temperature between the two thermometers and consulted the enclosed chart to determine the relative humidity. Three times. Now you can tuck it back in its slim canvas shoulder pouch, acknowledge their wide-eyed admiration, and start telling them about burying that string under the light of a full moon....
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92465 SLING PSYCHROMETER |
Overhead Insides
Biology and anatomy teachers, nursing and medical staffs, anyone who stands up and explains the human body will love this high-quality, full-color set of (38) 8-1/2" x 11" medical transparencies. Our each is a set that includes pretty much the human contents, anterior and posterior, and systems, including vertebrae, sacrum, hand, foot, shoulder, knee, hip, elbow, assorted skin pathologies, heart, ear, eye, sinuses, stomach, rectum, lung, liver, gallbladder, kidney, prostate and breast cancer classifications, among others, many showing attached musculature. From GPI Anatomicals.
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37323 BODY TRANSPARENCIES |
Learn A Trade
Learn geometry, or learn to build the world’s coolest sand castles. Our each is a set of (4) geometric shapes in brightly colored transparent plastic. The set of (4) includes a 3–7/8” cube, a 3–7/8” x 3–7/8” x 1–15/16” rectangular box, a 3-7/8" dia x 3-7/8" cone and a pyramid with a 3–7/8” sq base. All shapes are open on the bottom, the better to get the sand into them. And out of them.
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31712 SET OF 4 SHAPES |
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A Little Light Experimenting
Newton would have killed for this, but you can have it in your classroom for a song. Our high-quality composition-of-light unit is designed to demonstrate the nature of light wavelengths. A trio of tubes with red, green and blue LEDs inside have converging lenses, in turn mounted in swiveling holders. It's powered by an included wall-plug adapter, but will also run off a 6V lantern battery (jumper cord, but not battery, included). Has individual switches and brightness controls for each color, plus a 6-1/2" x 7-1/2" mounted white screen for display, plus a sheet of suggested experiments.
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93487 LIGHT DEMO |
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