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Warm Up Order the decimals from least to greatest. 1. 18.74, 18.7, 18.47

Warm Up Order the decimals from least to greatest. 1. 18.74, 18.7, 18.47 2. 9.06, 9.66, 9.6, 9.076 Write each in words. 3. 3.072 4. 6.1258. 18.47, 18.7, 18.74. 9.06, 9.076, 9.6, 9.66. three and seventy-two thousandths. six and one thousand two hundred fifty-eight ten-thousandths.

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Warm Up Order the decimals from least to greatest. 1. 18.74, 18.7, 18.47

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  1. Warm Up Order the decimals from least to greatest. 1. 18.74, 18.7, 18.47 2. 9.06, 9.66, 9.6, 9.076 Write each in words. 3. 3.072 4. 6.1258 18.47, 18.7, 18.74 9.06, 9.076, 9.6, 9.66 three and seventy-two thousandths six and one thousand two hundred fifty-eight ten-thousandths

  2. Sunshine State Standards MA.6.A.5.2 Estimate the results of computations with…decimals…and judge the reasonableness of the results.

  3. When numbers are about the same value, you can use clustering to estimate. Clustering means rounding the numbers to the same value.

  4. The addends cluster around 170. To estimate the total number of calories, round each addend to 170. Add. Additional Example 1: Health Application Nancy wants to cycle, ice skate, and water ski for 30 minutes each. About how many calories will she burn in all? (Cycling = 165.5 calories, ice skating = 177.5 calories, and water skiing = 171.5 calories) 165.5 170 177.5 170 171.5 + 170 510 Nancy burns about 510 calories.

  5. Check It Out: Example 1 Abner wants to run, roller-skate, and snow ski for 60 minutes each. About how many calories will he burn in all? (Running = 185.5 calories, roller-skating = 189.5 calories, and snow skiing = 191.5 calories.) 190 × 3 = 570 calories

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