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1653706-39370Chart the ErrorChart the ErrorWhich student is correct? Student 13m-10Student 23m20Key Takeaway: _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Name Date _________8.EE.A.3 8.EE.A.1 Team Do Now 9-25-19The population of the United States is about 3.2 x 108. The population of the United States is about 80 times the population of Oregon. Write the population of Oregon in exponential form. The mass of Earth’s moon is about 7 x 1022kilograms. The mass of Jupiter is about 1.89 x 1027kilograms. The mass of Jupiter is about how many times the mass of the Earth’s moon?Put in order from least to greatest4.5 x 103 3.4 x 106 1.9 x 10-2 7.2 x 10-4 ________________________________________________________________________________________________________________ What two factors do we look at when we are comparing scientific notation?____________________________________________________________________________________2210462-349857Skill DrillSkill DrillName Date _________8.EE.A.4 8.EE.A.1 Team Addition/Subtraction Scientific NotationKey Takeaways:Standards: 8.EE.A.1- Know and apply the properties of integer exponents to generate equivalent numerical expressions8.EE.A.4- Perform operations with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used. Use scientific notation and choose units of appropriate size for measurements of very large or very small quantities?Perform operations with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used.Solve real-world problems that require operations with numbers expressed in scientific notation.Choose units of appropriate size for large and small measurements.Interpret scientific notation that has been generated by technologyVocabulary: scientific notation- numbers written in the form n x 10a, where 1 n < 10 and a is an integer ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Part 1: Activation of Prior KnowledgeEvaluate the following problem 950,000 +(4.6 x 107)What form is 950,000 written in? _____________________What form is 4.6 x 107 written in? ____________________Convert 950,000 to exponential form? ____________________Are the exponents the same? _________Let’s make them the same:________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Now let’s add the constants. _______________________________________________Bring down the base and exponent. _________________________________________Final Answer: _______________________Key Takeaway: __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Part 2: Independent Practice(4.9 x 109) + (1.5 x 108) (9.18 x 109) - (3.9 x 106)(1.7 x 10-1) + (6.504 x 102)(9 x 107) – (6 x 105) (4 x 102) + (3 x102)Independent Practice: Medium(3.8 x 105) + (2.4 x 106)=. When Mel wanted to solve this equation, he changed (3.8 x 105) to (.38 x 106). Why would he do that?_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________Find the perimeter of the rectangle in scientific notation. The area of the Southern Ocean is about 7.85 x 106 square miles. The difference between the areas of the Southern Ocean and the Indian Ocean is 1.865 x 107square miles. Explain how to find the area of the Indian Ocean. _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________At a storage warehouse each pallet weighs 1.5 x 102 pounds. The crates weigh 6 x 103 pounds. How much are their combined weights?Ibn has a notebook that weighs 4.5 x 10-1 pounds. He is putting a stack of paper that weighs .0225 x 103pounds. How much more does the paper weigh that the notebook?Name Date _________8.EE.A.4 8.EE.A.1Team Adding/Subtracting Scientific NotationExit TicketDirections: Solve each problem. The combined volume of all tanks at an aquarium is 1.25 x 106 gallons. The aquarium plans to install a new dolphin tank with a volume of 250,000 gallons. What will be the total volume of all the tanks at the aquarium once all the tanks are installed? Name Date _________8.EE.A.4 8.EE.A.1Team Adding/Subtracting Scientific NotationHomeworkThe distance from the sun to Mercury is 3.598 x 106. The distance from the sun to Neptune is 2.798 x 107. How far is it from Mercury to Neptune?The mass of a sand tiger shark is about 9.1 x 103kg. The mass of a whale shark is 2.06 x 103kg. How much more is the mass of a whale shark than the mass of a tiger shark? 2.1 x 103 + 2.1 x 1029.63 x 106+ 8.81 x 104Mixed ReviewWhat is the prime factorization of 96How do you add fractions with unlike terms?________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Why don’t we add the denominators when adding fractions? ................
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