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Welcome to 8 th Grade Math!!

Welcome to 8 th Grade Math!!. Mr. Keith Jenkins Room 222 (check your schedule). Vocabulary. Ascending: Descending: Integer: Rational number: Equivalence:. Vocabulary. Ascending : increasing in size Descending : decreasing in size Integer : whole numbers (positive & negative)

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Welcome to 8 th Grade Math!!

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  1. Welcome to 8th Grade Math!! Mr. Keith Jenkins Room 222 (check your schedule)

  2. Vocabulary • Ascending: • Descending: • Integer: • Rational number: • Equivalence:

  3. Vocabulary • Ascending: increasing in size • Descending: decreasing in size • Integer: whole numbers (positive & negative) • Rational number: can be expressed as a quotient of two integers • Equivalence: a state of being essentially equal or equivalent

  4. Math Warm-up • How many times can you subtract the number 5 from 25?

  5. Math Warm-up • How many cubic meters of dirt are in a hole 6 meters long, 2 meters wide, and one meter deep? 8-1

  6. Index Cards • Find the person with your equivalent representation. Form a group. • Finish the Relating Rational Numbers handout

  7. Strategies • What strategy can you use to verify a fraction is equivalent to a percent? • What strategy can you use to verify a decimal is equivalent to a percent? • What strategy can you use to verify a percent is equivalent to a fraction? • What strategy can you use to verify a percent is equivalent to a decimal?

  8. Visual Strategy Strategy Strategy Strategy

  9. Questions • What 2 consecutive integers is your rational number between? • Name a rational number greater then your rational number. • Name a rational number less than your rational number

  10. Relating Rationals Handout • What strategy can you use to write a fraction as a percent? • What strategy can you use to write a decimal as a percent? • What strategy can you use to write a percent as a fraction? • What strategy can you use to write a percent as a decimal?

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