5 Minute Check Complete on the back of your homework. 1. 75is 15% of what number ? 2. 9 is 36% of what number? 3. 7 is 70% of what number? 4. 7 is 35%

Slides:

Advertisements

Similar presentations

Example 3 Each day, an elephant eats 5 pounds of food for every 100 pounds of its body weight. How much does a 9300 pound elephant eat per day? SOLUTION.

Advertisements

5 Minute Check Determine if each pair of rates or ratios are equivalent. Explain your reasoning points scored in 4 games; 48 points scored in 8.

Use the cross products property EXAMPLE 1 Write original proportion = x 6 Solve the proportion =. 8 x 6 15 Cross products property Simplify. 120.

5-Minute Check 1) 5 x 7 2) 7 x 70 3) 9 x 20 4) 4 x 800 5) 6 x ) The each person to eat for one week is $200. Find the total cost for a family of.

Finding a Percent of a Number Lesson 6-7. Using a Proportion Set up a proportion that uses the percent over 100. Cross multiply to write an equation.

Percent of Change Tuesday, October 19, 2010 Lesson Objectives  Find percent of change (percent of increase or percent of decrease)

5 Minute Check Find. Round to the nearest tenth, if necessary. Complete in your notes is what percent of 72? 2. What percent of 96 is 24? is.

Solving Linear Equations

Pre-Algebra 8-3 Finding a Number When the Percent Is Known 8-3 Finding a Number When the Percent Is Known Pre-Algebra Warm Up Warm Up Problem of the Day.

5 Minute Check Find the area. Complete on the back of your homework

5 Minute Check Complete on the back of your homework. 1. Best Buy is having a 30% off sale. You want to buy an ipod that is marked $160. How much are you.

Organizing and Displaying Data

Percent Increase and Decrease 6-4 Students will be able to determine percent increase. Warm Up 1. 14,000 is 2 % of what number? is 13% of what number?

Hit the spacebar to advance to each question. Use the mouse to click the answer button after you have completed your work. Hit the space bar to advance.

Percent of Increase and Decrease 6-5 Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson.

5 Minute Check Fill in the with >,

Warm Up 35/7 35/ /7 50/ /7 7545/7.

5 Minute Check Complete in your notebook ÷ ÷ ÷ ÷ 9.

5 Minute Check Complete in your notebook. Find each sum Find the difference –

Mid Chapter Review If you have not done so already, complete page 58 in your math book. If you have already completed this, work on Independent Practice.

5 Minute Check Complete on the back of your homework. 1. Find 6% of Find 28% of Find 0.6% of Find 0.03% of 1500.

Pre-Algebra 8-4 Percent Increase and Decrease Our Learning Goal Students will be able to determine and construct fractions, decimals, and percents by understanding.

5 Minute Check Write an inequality for each sentence. Complete on the back of your homework. 1. You cannot spend more than $ More than 800 fans attended.

5 Minute Check Complete in your notebook ÷ ÷ ÷ ÷ 9.

Holt CA Course Percent of a Number Warm Up Warm Up California Standards California Standards Lesson Presentation Lesson PresentationPreview.

7-7 Percent of a Number Learn to find the percent of a number.

Holt CA Course Percent of a Number 6-4 Percent of a Number NS1.4 Calculate given percentages of quantities and solve problems involving discounts.

5 Minute Check. Complete in your notes. 1. Write 0.35 as a percent.

5 Minute Check Complete on the back of your homework. Write each percent as a fraction % 2. 15% 3. 75% 4. 8%

5 Minute Check Complete on your homework. Find each sum Find the difference –

5 Minute Check. Flashcards Friday, Nov 6 Lesson 4.8.b Dividing Mixed Numbers.

5 Minute Check Find the percent. Complete on the back of your homework % of $ % of $ % of $ % of $3.50.

Find the percent of each number % of % of % of % of /18/11 Percent Today’s Plan: -Percent lesson.

5 Minute Check Complete on your homework ÷ ÷ ÷ ÷ 9.

5 Minute Check Find each quotient ÷ ÷ ÷ ÷ 79.

5 Minute Check Find the percent of change. Round to the whole percent, if necessary. Complete on the back of your homework. 1. $12 to $ notebooks.

5 Minute Check. Find. Round to the nearest tenth, if necessary. Complete in your notes % of 85.

5 Minute Check Complete on the back of your homework. Find the GCF for the following , , 16 Find the LCM for the following. 3. 6, ,

How are sales advertised in different stores? In a clothing store, items are often marked with signs saying, “20% off” or “40% discount.” In a grocery.

5 Minute Check Complete on your homework ÷ ÷ ÷ ÷ 9.

Warm Up Problem Carlos has read 45% of his book. If his book has 480 pages, how many pages has he read? A) 45 pagesB) 264 pages C) 216 pagesD) 435 pages.

Percent of a Number Mrs. Herron. I can… Find the percent of a number. A percent is a part of 100. Since it is part of 100, we can set up proportions to.

Chapter 7 Review Game PERCENTS. Write the percent as a fraction in simplest form. 126%

5 Minute Check Determine if each pair of rates or ratios are equivalent. Complete in your notes points scored in 4 games; 48 points scored in 8.

5 Minute Check Complete on the back of your homework. Write each percent as a decimal % 2. 15% Write each decimal as a percent

5 Minute Check Complete on the back of your homework. 1. Alana biked 45 miles in 3 hours. How many miles did she bike in 1 hour? 2. The Reyes family bought.

Holt CA Course Percent of a Number 6-4 Percent of a Number NS1.4 Calculate given percentages of quantities and solve problems involving discounts.

Hosted by Mr. Torok Number Machines Algebraic Patterns Ratios Ratio Problems

5 Minute Check Complete in your notes. 1. Write.02 as a percent. 2. Write 450% as a decimal. 3. Write 50% as a fraction in simplest form. 4. Find 350%

5 Minute Check Find each quotient ÷ ÷ ÷ ÷ 79.

Course 2, Lesson 2-3 Estimate % of % of % of % of Twenty-two percent of the seventh-grade class at Santa Ana Middle.

5 Minute Check. Flashcards Tuesday, Sept 1 Lesson 1.3 Rates.

5 Minute Check Find the following. 1. What is.15 written as a percent? 2. What is written as a percent? 3. What is 7 written as a percent? 4. What.

Organizing and Displaying Data

Organizing and Displaying Data

Finding a Percent of a Number

5 Minute Check Complete in your notes is 20% of what number? 2. What percent is 18 of 40? 3. 25% of 88 is what number? 4. 18% of 45 is what number?

Agenda: Check Homework/BR: Find the total price to tip 15% on a $85 bill. Quick Check Lesson 7 Discount Homework Course 2, Lesson 2-7.

A percent problem has three different parts:

Organizing and Displaying Data

Organizing and Displaying Data

Organizing and Displaying Data

Finding a Percent of a Number

Organizing and Displaying Data

Organizing and Displaying Data

Organizing and Displaying Data

Organizing and Displaying Data

Organizing and Displaying Data

Lesson – Teacher Notes Standard:

Presentation transcript:

5 Minute Check Complete on the back of your homework is 15% of what number ? 2. 9 is 36% of what number? 3. 7 is 70% of what number? 4. 7 is 35% of what number?

5 Minute Check Complete on the back of your homework is 15% of what number ?

5 Minute Check

Complete on the back of your homework is 36% of what number?

5 Minute Check

Complete on the back of your homework is 70% of what number?

5 Minute Check

Complete on the back of your homework is 35% of what number?

5 Minute Check

Flashcards

Tuesday, Sept 22 Lesson 2.8b Solve Percent Problems

Objective: To solve percent problems which involve finding the whole or part.

Solve Percent Problems 15 is 25% of what number? Percent Bar 0%25% 50% 75% 100% Number Bar 15

Solve Percent Problems 15 is 25% of what number? Proportion Method How to Solve a Percent Problem. Step 1 - Write a blank proportion.

Solve Percent Problems

25% of 60 is what ?

Solve Percent Problems 25% of 60 is what ? 60 x

Solve Percent Problems 30 is 60% of what number? Do this on your own.

Solve Percent Problems

60% of 50 is what ? 50 x

Solve Percent Problems What percent of 20 is 4? Do this on your own.

Solve Percent Problems What percent of 20 is 4? Do this on your own.

Solve Percent Problems

500% of 20 is what ? 20 x 5 100

Solve Percent Problems

20% of 20 is what ? 20 x.2 4.0

Solve Percent Problems 30 is 75% of what number? Do this on your own.

Solve Percent Problems

21 is 84% of what number? Do this on your own.

Solve Percent Problems

What percent of 25 is 10? Do this on your own.

Solve Percent Problems

The first year of ownership, a new car can lose 20% of its value. If a car lost $4,200 of value in the first year, how much did the car originally cost? Do this on your own.

Solve Percent Problems

Kai calculates that he spends 15% of a school day in science class. If he spends 75 minutes in science class, how many minutes does Kai spend in school? Do this on your own.

Solve Percent Problems

Before 1982, pennies were 95% zinc and 5% copper. If 100 pennies minted in 1980 have an approximate mass of 15 grams of copper, what is the total mass of 100 pennies? Do this on your own.

Solve Percent Problems

A store is having a sale where winter clothes are 60% of the original price. A sweater is on sale for $30. What was the original price of the sweater? Do this on your own.

Solve Percent Problems

If you have 3 cups of pineapple juice, how many total cups of punch can you make?

Solve Percent Problems

How many cups of sorbet are used to make 8 cups of punch?

Solve Percent Problems

Elise does not like sorbet, so she omits that ingredient and adds 5% of each of the other ingredients. How many cups of punch will she have is she uses 6 cups of orange juice?

Solve Percent Problems

Using what you know about percents, explain why a commercial that says “80% of dentists use this toothpaste” might be misleading.

Solve Percent Problems Using what you know about percents, explain why a commercial that says “80% of dentists use this toothpaste” might be misleading. Since only the percent is known, it is not known how many actual dentists use this toothpaste. They could have only surveyed 5 dentists and 4 chose this toothpaste.

Solve Percent Problems At a zoo, an Asian elephant eats roughly 5% of its body weight each day. If an Asian elephant eats 300 pounds of food a day, how much does it weigh?

Solve Percent Problems

Agenda Notes Homework – Homework Practice 2.8b Due Wed, Sept 23 Circle your answers Chapter 2 Test Tuesday, Sept 29 Accum Review 2 due Tuesday, Sept 29