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Understands that results of computation must be judged in terms of their usefulness and whether they make sense in the real world.

Dollar$ or Cent$?

It is common in the real world to see mathematical examples where the cents sign was used when the dollar sign was supposed to be used. Converting and comparing decimals and fractions can help clear up this misconception. Two real coupons clipped from the Sunday paper coupon section are included in this activity.

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