Coversions Rock Family Activity Pages
Transcription
Coversions Rock Family Activity Pages
Grades 6–8 Family Activities Math™ Building Skills with Fractions, Decimals, and Percents Dear Family, WHAT IS AN ACTUARY? In school, your child has been studying Conversions Rock, a dynamic new math program for grades 6–8. Actuaries are statistical experts who provide advice to businesses, governments, and organizations to help them plan for the future. They use fractions, decimals, and percents and other math tools in their daily work. Developed by The Actuarial Foundation, Conversions Rock builds students’ skills in converting among fractions, decimals, and percents, while also helping them see the relevance of math in their daily lives and in their futures. The Actuarial Foundation believes in supporting mathematics achievement among students through an array of educational initiatives. Inside you’ll find three activities to enhance your child’s abilities with math while focusing on topics that are of interest to families. Encourage your child to share the skills that he or she has learned in school as you work together to complete the activities. Sincerely, The Actuarial Foundation For students, math skills are increasingly important not only for today, but for the future as well. According to the U.S. Department of Labor, employment of actuaries is expected to increase by about 24 percent over the 2006–16 period, which is much faster than the average for all other occupations. For more about educational programs from The Actuarial Foundation, visit www.actuarialfoundation.org/ grant/index.html. Name: _______________________________________________________ Date:____________ FAMILY WORKSHEET 1 What Music Is Rockin’ Your House? Answer the fraction questions below to help find out the breakdown of what music your family likes to listen to. 1. The Johnson family is having a garage sale of old CDs. They’ve counted their CDs, and find that they have 60 CDs total. Use fractions to show what part of the total each category represents. Show the fraction in lowest terms or reduced forms. Types of CDs Fraction 3. What music is popular in your house? Look through your family’s music collection. Write down the total, and tally the types of music you have in the house. Like the Johnson’s, create a chart showing fractions of the total collection that are devoted to each category. (Note: You may replace category names below with other categories that are relevant to your family.) Classic Rock: 20 Alternative Rock: 12 Types of CDs Heavy Metal: 10 Classic Rock: Country Music: 9 Rap: 6 Jazz: 3 Fraction Alternative Rock: Heavy Metal: Country Music: Rap: Jazz: Total: Fraction 20/60 = 1/3 12/60 = 1/5 10/60 = 1/6 9/60 = 3/20 6/60 = 1/10 3/60 = 1/20 Change the fractions so they have common denominators, and show how they add up to one whole. Answers: 1. Types of CDs Classic Rock: 20 Alternative Rock: 12 Heavy Metal: 10 Country Music: 9 Rap: 6 Jazz: 3 2. 20/60 (1/3) + 12/60 (1/5) + 10/60 (1/6) + 9/60 (3/20) + 6/60 (1/10) + 3/60 (1/20) = 60/60 3. Answers will vary. 2. FAMILY WORKSHEET 2 Name: _______________________________________________________ Date:____________ Map Measures In school you studied how decimals and proportions can help you understand scale on a map. Use your math skills to help solve the map questions below. 1. Imagine a family has planned a trip from New York City to Walt Disney World in Orlando, Florida. A map has a scale where 1 inch = 200 miles. The distance from New York City to Orlando on the map measures 4.6 inches. About how many miles away is Disney World? 2. Imagine you and your friends decide to make a map of your neighborhood. Using the formula that 2,000 steps = 1 mile, you measure distances from your school to your favorite locations. You write down the distances and then decide to draw a map where the scale is 0.5 inches = 1 mile. Using decimal measurements, fill in about how many inches should be between each location, and write down how many steps that should be. School to library is 0.5 miles School to post office is 0.7 miles School to ice-cream shop is 1.3 miles 3. Create a map of your home using a scale where 10 steps = 0.5 inches. Figure out, in inches, distances from your bedroom to the kitchen, bedroom to the TV, and bedroom to the front door. For practice, show in inches the following: 18 steps from your bedroom to the TV = inches 20 steps from your bedroom to the kitchen = inches 25 steps from your bedroom to the front door = inches Answers: 1. If 1 inch/200 miles then 4.6 inches/x miles. x = 920. 2. School to library = 0.5 miles, which is 0.25 inches or 1,000 steps. School to post office = 0.7 miles, which is 0.35 inches or 1,400 steps. School to ice-cream shop = 1.3 miles, which is 0.65 inches or 1,300 steps. 3. 18 steps from your bedroom to the TV = 0.9 inches; 20 steps from your bedroom to kitchen = 1 inch; 25 steps from your bedroom to front door = 1.25 inches. FAMILY WORKSHEET 3 Name: _______________________________________________________ Date:____________ Making a Budget YOUR MONTHLY BUDGET INCOME Per Month Percentage of Total Per Month Percentage of Total Allowance Job Other Use what you learned in class about percents, decimals, and fractions to set up a personal budget for yourself and track your income and expenses. Take a look at the simple budget to the right. You can follow this chart to help plan your own budget. First, use your math skills to answer the questions below. Total: EXPENSES Immediate Fun (Such as music, movies, etc.) Savings Goals— Immediate (For bigger items, such as an MP3 player) Savings Goals—Future (For college or other future savings goals) Total: 1. Pat babysits regularly and earns $10 a week. If Pat’s monthly babysitting earnings equal 80% of Pat’s total income, what is Pat’s total monthly income (assuming a month is 4 weeks long)? 2. Pat’s only other source of income is a monthly allowance. How much is that? 3. Let’s assume Pat spends about $5 a week on all the things he likes—song downloads, movies, and ice-cream bars from the school cafeteria. Pat saves 10% of his income for future goals—he really wants to go to college when he’s older. The rest goes for his immediate savings—he hopes to buy a portable MP3 player one day. Fill out Pat’s expenses based on this information. How much does Pat have for immediate savings goals per month (assuming a month is 4 weeks long)? 4. If a portable MP3 player costs $150, how long will it take Pat to reach that savings goal using his immediate savings? 5. Budgets are meant to be flexible. Currently, Pat plays song downloads on his computer, but he can’t resist downloading more and more songs for $1.25 each. The first month of budgeting, he downloads one more song a week than usual. The next month, Pat spends for 4 more songs a week than usual. Then, he shifts back to his average spending. How long will it take Pat to get his MP3 player now? Answers: 1. $40/80% = $x/100%. x is $50. 2. If $50 is Pat’s total monthly income and $40 = 80% of that, then the remaining 20% = $10. 3. Pat’s monthly income is $50, so his weekly income is $12.50. He spends $5 a week or $20 a month. He puts away 10% a month for his long-term future goals—that’s $5 a month. That leaves $25 a month for his immediate savings goals. 4. 6 months. 5. 1st month, immediate savings is $20 because he spent $5 extra on songs. 2nd month, immediate savings is $5 because he spent $20 extra on songs. Then it takes 5 more months of regular immediate savings to reach his goal. It will now take Pat a total of 7 months (instead of 6) to get his MP3 player.