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* Decimal Jeopardy * Rounding/ Estimating Adding/ Multiplying/ Subtracting Dividing Scientific Notation Misc. 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Rounding/Estimating - 100 Round to the nearest tenth: 23.4821 Rounding/Estimating – 100 23.5 Rounding/Estimating - 200 Round to the nearest hundredth: 123.2518 Rounding/Estimating – 200 123.25 Rounding/Estimating - 300 Estimate the sum by rounding to the nearest whole numbers: 12.092 + 8.97 Rounding/Estimating - 300 12 + 9 = 21 Rounding/Estimating - 400 Estimate the product using compatible numbers: 132.084 x 19.872 Rounding/Estimating - 400 130 x 20 = 2,600 Rounding/Estimating - 500 Estimate the quotient using compatible numbers: 35.125 ÷ 5.98 Rounding/Estimating - 500 35 / 5 = 7 Adding/Subtracting - 100 23.021 + 12.123 Adding/Subtracting - 100 35.144 Adding/Subtracting - 200 27.21 + 17.198 Adding/Subtracting - 200 44.408 Adding/Subtracting - 300 43.092 - 21.02 Adding/Subtracting - 300 22.072 Adding/Subtracting - 400 98.18 - 97.99 Adding/Subtracting - 400 0.19 Adding/Subtracting - 500 123 - 71.283 Adding/Subtracting - 500 51.717 Multiplying/Dividing - 100 3.2 x 7 Multiplying/Dividing - 100 22.4 Multiplying/Dividing - 200 2.04 x 1.8 Multiplying/Dividing - 200 3.672 Multiplying/Dividing - 300 13 ÷ 2 Multiplying/Dividing - 300 6.5 Multiplying/Dividing - 400 6.03 ÷ 9 Multiplying/Dividing - 400 0.67 Multiplying/Dividing - 500 22.8 ÷ 0.4 Multiplying/Dividing - 500 57 Scientific Notation - 100 Convert to Standard Form: 4 2.18 x 10 Scientific Notation - 100 21,800 Scientific Notation - 200 Convert to Standard Form: 1.243 x 8 10 Scientific Notation - 200 124,300,000 Scientific Notation - 300 Convert to Standard Form: -7 5.231 x 10 Scientific Notation - 300 0.0000005231 Scientific Notation - 400 Convert to Scientific Notation: 32,900,000,000 Scientific Notation - 400 3.29 x 10 10 Scientific Notation - 500 Convert to Scientific Notation: 0.000039 Scientific Notation - 500 3.9 x -5 10 Miscellaneous - 100 In what place is the 6 located? 1,248.089621 Miscellaneous - 100 ten-thousandths Miscellaneous - 200 Write the following number in word form: 43.082 Miscellaneous - 200 forty three and eighty two thousandths Miscellaneous - 300 Compare the Decimals: 0.0231 ____ 0.2 Miscellaneous - 300 0.0231 < 0.2 Miscellaneous - 400 Is the following number in Scientific Notation – why or why not? 23.8 10 6 Miscellaneous - 400 No because the first number must be less than 10. It should instead 7 be written as 2.38 x 10 Miscellaneous - 500 Find a number between the following 2 decimals: 3.02 and 3.03 Miscellaneous - 500 (many right answers) ex: 3.025