Ch.7 Checkpoints Percentages Percent Increase or Decrease Equations with Rational Coefficients Proportions 10 20 30 40.

Slides:



Advertisements
Similar presentations
With Rational Functions
Advertisements

Which states have a sales tax rate closest to the Texas sales tax rate?
Percent of Increase & Decrease
Two Step Equation Percentages Adding and Subtracting Adding -- Tax, Markup –Original amount + a percent of that amount –An item is marked up 75%
Ch. 5-7 Percent of change. Ch. 5-7 Vocabulary Percent of change: a ratio that compares the change in quantity to the original amount. Percent of increase:
Do Now What number is 12% of 350? 21 is what percent of 40?
Two Step Percentage Problems Word problems with a vengence.
JEOPARDY 7.1 Ratios 7.2 Proportions 7.3/7.4 Fractional Equations 7.5 Percent Basics 7.6 Percent Word Probs
Percent of a Number  ALWAYS % 100 Part (is) Whole (Of) =
© A Very Good Teacher th Grade TAKS Review 2008 Objective 2 Day 1.
Pre-Algebra 8-4 Percent Increase and Decrease 04/14/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up & Correct Homework -Percent Increase and Decrease.
We use ratios to make comparisons between two things. Ratios can be written 3 ways. 1. As a fraction 3 5 We are comparing rectangles to triangles. 2.
Who Wants To Be An Number Sense Millionaire? Question 1.
Algebra 1 Section Objectives I can find percent of increase or decrease in story problems.
of Decrease and Increase
Splash Screen. Lesson Menu Five-Minute Check (over Lesson 2–6) CCSS Then/Now New Vocabulary Example 1:Percent of Change Example 2:Real-World Example:
Then/Now You solved proportions. (Lesson 2–6) Find the percent of change. Solve problems involving percent of change.
Lesson 3-7 Percent of Change.
Why??  Percents are all around us! Sales and discounts shopping Sales Tax Income Taxes Tips on restaurant bills Etc…  When doing problems with % remember.
Page 171 – Percent Problems
Splash Screen. Lesson Menu Five-Minute Check (over Lesson 2–6) Then/Now New Vocabulary Example 1:Percent of Change Example 2:Real-World Example: Percent.
The percent of a quantity increases or decreases from its original amount. To find the percent of change, use these two steps. Step 1: Subtract to find.
Percent of Change The percent that a value increases or decreases.
Over Lesson 2–6. Then/Now You solved proportions. Find the percent of change. Solve problems involving percent of change.
Lesson 2-7 Percent of Change.
3-7 Percent of Change Objective: Students find percents of increase and decrease and solve problems involving percents of change. S. Calahan 2008.
Week-5_Ratios, Proportions, and Percent. A B R Solving percentage problems guide.
4.2 Percent Problems Objectives: Find equivalent fractions, decimals, and percents. Solve problems involving percent. Standards Addressed: D: Apply.
Bell Ringer Darius saw a shirt that was on sale for 20% off. The original price of the shirt was $28. If tax was 9%, how much did Darius pay for the shirt?
Unit 1 Unit 2Unit 3Unit 4 Miscellaneous.
 Percent of Change – the ratio of the change in an amount to the original amount expressed as a percent.  Percent of Increase – the new number is greater.
20% of 50 is what number? THE 3 TYPES OF BASIC PERCENT PROBLEMS.20( )50=x 10 = x Number is 10 x = number 30% of 90 is what number? x = number.30( )90=x.
Bell Ringer 11-7 ( Do in notebook) 5 minutes 1. Express 20% as a fraction in lowest terms and as a decimal Express 134% as a decimal. Express 6.5%
Materials Reminders. Get out your agenda if you see your name below. You need to come to my room tomorrow. Period 2Period 7.
Bell Ringer 03 Discussion on Midterm and Quiz Discussion on Midterm and Quiz You are required to go to at least 2 days of tutoring for test corrections.
Percent of Change Decrease (Discount)
Splash Screen. Over Lesson 2–6 5-Minute Check 1 A.yes B.no.
Percent Increase and Percent Decrease Problems. Percent Decrease A sofa regularly sells for $ Today it is on sale for $630. What is the percent.
Table of Contents Topic Page # /3.6 Ratios and Proportions Percents43 3.7B Solve Percent Problems45.
Lesson Menu Main Idea and New Vocabulary NGSSS Example 1:Find the Sale Price Example 2:Find the Selling Price Example 3:Find the Total Cost Five-Minute.
APPLICATIONS OF PERCENT Chapter 6. Fractions, Decimals, & Percents A percent is a ratio that compares a number to 100 To change a decimal to a percent,
Warm-up: 1)25% of 130 2)18 is what % of 60. Today’s Objective Students will find the percentage of increase or decrease.
Splash Screen. Then/Now You solved proportions. Find the percent of change. Solve problems involving percent of change.
Splash Screen. Lesson Menu Five-Minute Check (over Lesson 2–6) CCSS Then/Now New Vocabulary Example 1:Percent of Change Example 2:Real-World Example:
Percent of Change. Percent of change – the ratio of the difference between the numbers to the original amount. % of change = difference original amount.
SOLVING PERCENTAGE of CHANGE EQUATIONS PRE213 A dress costs $45 but there’s a 25% off sale. What’s the new price? Sometimes it helps to use a table to.
7th Grade Math Percents. Relating Fractions, Decimals & Percents Day 1.
Splash Screen. Lesson Menu Five-Minute Check (over Lesson 2–6) CCSS Then/Now New Vocabulary Example 1:Percent of Change Example 2:Real-World Example:
EXAMPLE 1 List possible rational zeros List the possible rational zeros of f using the rational zero theorem. a. f (x) = x 3 + 2x 2 – 11x + 12 Factors.
Splash Screen. Lesson Menu Five-Minute Check (over Lesson 2–6) CCSS Then/Now New Vocabulary Example 1:Percent of Change Example 2:Real-World Example:
Percent Proportions & Equations. A percent is a ratio that compares a number to 100. A commission is a percent of the amount of your sales. A percent.
240,000 20p + a SATMathVideos.Net A) 550 books B) 600 books C) 650 books D) 700 books 1,000 books sold in a month when the price was $10 per book. An equation.
UNIT 6 PROPORTIONS As you log in, make sure your audio is working properly. Go to Tools – Audio – Audio Setup Wizard Make sure you have paper and pencil.
Transparency 8 Click the mouse button or press the Space Bar to display the answers.
Splash Screen.
Daily Warm-Up (I do) ALCOS # 3 5th grade
Splash Screen.
Splash Screen.
2-7 Percent of Change Percent of Change: what % something changes
2-7 Notes for Algebra 1 Percent of Change.
Ch.7 Review Created by Educational Technology Network
Round the discount to the nearest penny.
Percents and Equations
The word percent means:
Splash Screen.
10/10/ Bell Work Write and answer the following questions.
Chapter 6 Problem-Solving
Finding Discount Objective: Students will calculate percentages and find the amount of discount.
Round the discount to the nearest penny.
Consumer Applications Review
Presentation transcript:

Ch.7 Checkpoints Percentages Percent Increase or Decrease Equations with Rational Coefficients Proportions

Simplifying Expressions - 10 Simplify. Write answer in standard form.

Simplifying Expressions – 10

Histograms - 20 How many people surveyed reported that they have 6 or less people at dinner?

Histograms – 20

Simplifying Expressions - 30 Simplify. Write answer in standard form.

Simplifying Expressions – 30

Box Plots- 40 Create a box plot using the following data: 12, 10, 1, 8, 15

Box Plots – 40 1, 8, 10, 12,

Percentages - 10 A theater is 82% full. If the theater can seat up to 1,700 people, how many people are currently in the theater?

Percentages – 10 A theater is 82% full. If the theater can seat up to 1,700 people, how many people are currently in the theater? 1,394 people

Percentages - 20 Cathy has walked 14% of a 500 meter race. How many meters does she have left in the race?

Percentages – 20 Cathy has walked 14% of a 500 meter race. How many meters does she have left in the race? 430 meters

Percentages - 30 A car is on sale for $35,000. If sales tax is 9%, how much will the car cost in total?

Percentages – 30 A car is on sale for $35,000. If sales tax is 9%, how much will the car cost in total? $38,150 total

Percentages - 40 A table is originally $850 but is on sale for 35% off. How much is the sale price?

Percentages – 40 A table is originally $850 but is on sale for 35% off. How much is the sale price? $552.50

Percent Increase or Decrease - 10 Yusaku brought 200 books to a book sale and left with 80. What is the percent change?

Percent Increase or Decrease – 10 Yusaku brought 200 books to a book sale and left with 80. What is the percent change? 60% decrease

Percent Increase or Decrease - 20 Jamal has 4 dogs and adopts 1 more. What is the percent change?

Percent Increase or Decrease – 20 Jamal has 4 dogs and adopts 1 more. What is the percent change? 25% increase

Percent Increase or Decrease - 30 A lamp is priced to sell for $80. You haggle the price down to $32. What is the percent change?

Percent Increase or Decrease – 30 A lamp is priced to sell for $80. You haggle the price down to $32. What is the percent change? 60% decrease

Percent Increase or Decrease - 40 A farmer plants 525 tomato plants last year and this year she plants 700 the following year. What is the percent change?

Percent Increase or Decrease – 40 A farmer plants 525 tomato plants last year and this year she plants 700 the following year. What is the percent change? 33.3% increase

Eq’ns w/ Rational Coefficients - 10

Eq’ns w/ Rational Coefficients – 10

Eq’ns w/ Rational Coefficients - 20

Eq’ns w/ Rational Coefficients – 20

Eq’ns w/ Rational Coefficients - 30

Eq’ns w/ Rational Coefficients – 30

Eq’ns w/ Rational Coefficients - 40

Eq’ns w/ Rational Coefficients – 40

Proportions - 10

Proportions – 10

Proportions - 20

Proportions – 20

Proportions - 30

Proportions – 30

Proportions - 40

Proportions – 40