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Math / Algebra / Four-Pan Algebra Balance
 
 
 
 
    Four-Pan Algebra Balance
 


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7545

Ages 11-17

Unlike any other balance, this one makes it possible to physically show that –1 is less than 0. Weights placed on the outer pans represent negative integers and those placed in the inner pans represent positive integers. When you place a weight in each pan on one side of the center post, the balance remains level as (–1) + (+1) = 0. Great for small group work, the balance comes with four plastic pans, four plastic canisters, a set of plastic weights and a Teacher's Booklet. Some assembly required.

 
       
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 Warning WARNING: CHOKING HAZARD – SMALL PARTS. Not for children under 3 yrs.

 
     
     

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