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## Grade 5

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**Mathematical Practice #6 Attend to precision.Measurement and**Data #1 Convert like measurement units within a given measurement system Grade 5**Highlighted Problem**The following table shows the lengths of four ribbons: Tatianna says if you added ribbons A and B you would have 86 cm less than if you added ribbons C and D. Angel disagrees. He says if you added A and B you would actually have 119.89 cm more than if you added C and D. State which student's answer is correct. Use pictures, words and/or equations to support your decision.**Explore Tatianna’s Solution**The following table shows the lengths of four ribbons: Tatianna says if you added ribbons A and B you would have 86 cm less than if you added ribbons C and D.**Explore Angel’s Solution**The following table shows the lengths of four ribbons: Angel disagrees. He says if you added A and B you would actually have 119.89 cm more than if you added C and D.**Highlighted Problem**The following table shows the lengths of four ribbons: State which student's answer is correct. Use pictures, words and/or equations to support your decision.