160 likes | 379 Vues
7 th grade math Unit 3: Ratios and Proportional Reasoning. 01/28/19. Standard:. MGSE7.RP.3 I can solve the following types of multistep and percent problems: simple interest, taxes, markups, gratuities and commissions, fees, percent increase and decrease, and percent error.
E N D
7th grade mathUnit 3: Ratios and Proportional Reasoning 01/28/19
Standard: • MGSE7.RP.3 • I can solve the following types of multistep and percent problems: simple interest, taxes, markups, gratuities and commissions, fees, percent increase and decrease, and percent error. • Unit Essential Questions • How do I use an understanding of proportional relationships to solve problems with unit rate, ratio, and similarity?
I can statement • I can determine the appropriate unit rates to use in a given situation, including those with fractions. • I can solve the following types of multistep and percent problems: simple interest, taxes, markups, gratuities and commissions, fees, percent increase and decrease, and percent error.
Key Vocabulary • additive inverse • multiplicative inverse • absolute value • integers • long division • natural numbers • negative numbers • opposite numbers • positive numbers • rational numbers • repeating decimal • terminating decimal • zero pair
Review of fractions Learn Fractions In 7 min ( Fast Review on How To Deal With Fractions) https://www.youtube.com/watch?v=dG2WSstQyUE Try It 31/2 =_____ 25/4 = _____ 4/8 = _____ 5/10 = _____ Math Antics - What Are Percentages? https://www.youtube.com/watch?v=JeVSmq1Nrpw Explain zero percent in your own words? Explain base ten in your own words? Math Antics - Converting Any Fraction https://www.youtube.com/watch?v=Tceuvg9vjyc
Instructional period • Equations and Percent's Video 1 of 5 • https://www.youtube.com/watch?v=N1oEkxgJNtw • Using the formula (%) over (100) equals (is) over (of) to solve for the unknown percent (%) value. This video goes over the definition for an equation and percentage. Taking the time to go step-by-step to solve the equation. This is the 1st video in a 5 video series. • Equations and Percent's Video 2 of 5 (for students who are ready to move forward) • https://www.youtube.com/watch?v=7xghsTb3xNw • Equations and Percents Video 3 of 5 • https://www.youtube.com/watch?v=CHPHpAAUbP8 • What if you cannot determine the values to plug into the formula? (Video 4 of 5) • https://www.youtube.com/watch?v=U6YJdAgPBU4