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This illustrated math lesson shows how important levels of accuracy in measurement are. The answer can be different since a scale only accurately weighs to the nearest tenth of a gram instead of to the nearest hundredth of a gram. Aligns with A-REI.C.6.
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scales, solve linear equations, weighing pennies, a-rei.c.6, accurately weighing pennies ii, cc by-nc-sa 4.0, ccss.math hsa-rei.c.7, creative commons, creative commons attribution-noncommercial-sharealike 4.0, illustrative mathematics, illustrative mathematics: a-rei.c.6: accurately weighing pennies ii, solve systems of linear equations exactly and approximately (e.g., with graphs), focusing on pairs of linear equations in two variables, penny, system of linear equations in two variables