Pearl S. Buck Math Problems Grade 8 Based on PSSA Sampled & PA Academic Standards for Math 2.2.8 Computation and Estimation Computation B. Add, subtract, multiply and divide different kinds and forms of rational numbers, including integers, decimals fractions, percents and proper and improper fraction. 1. In 1941, the Chinese Emergency Relief Fund Committee was created to help support Chinese resistance against Japanese aggression. If, at this time, Pearl Buck and Richard Walsh had a monthly household budget of $127.59, and they sent 20% of their budget to support the Chinese Emergency Relief Committee, which is the closest estimate of the amount of money they sent each month? A. B. C. D. $13 $20 $26 $30 10 % of $130 20% of $100 correct 20% of $150 2.2.8 Computation and Estimation Computation B. Add, subtract, multiply and divide different kinds and forms of rational numbers, including integers, decimals fractions, percents and proper and improper fraction. 2. If the price of The Good Earth was $5.00 when it was first printed and Book of the Month members got a 28% discount, how much would they pay for the book? A. B. C. D. $1.40 $3.60 $4.72 $5.28 5 X 0.28 correct 5 - 0.28 5 + 0.28 2.2.8 Computation and Estimation Computation B. Add, subtract, multiply and divide different kinds and forms of rational numbers, including integers, decimals fractions, percents and proper and improper fraction. 3. If Pearl Buck deposited $7,500 in a bank account to help pay for her disabled daughter Carol’s care, and at the end of 3 years the account earned $900 in simple interest, what rate of interest did the account pay each year? A. B. C. D. 2.78% approximately 4% 8.33% approximately 12% 7,500 ÷ 2,700; with percent sign correct 7,500 ÷ 900; with percent sign 900 ÷ 7,500 520 Dublin Road, Perkasie, PA 18944-3000 · 215-249-0100 · 215-249-9657 (fax) · www.pearlsbuck.org Welcome House® · Opportunity House · Pearl S. Buck House Pearl S. Buck Math Problems Grade 8 Based on PSSA Sampled & PA Academic Standards for Math 2.2.8 Computation and Estimation Computation B. Add, subtract, multiply and divide different kinds and forms of rational numbers, including integers, decimals fractions, percents and proper and improper fraction. 4. Pearl Buck’s home, Green Hills Farm, was a community center for Upper Bucks County. There were often community basketball games in the gym and neighbors used her large home library as a community library. If, for one community event, Pearl Buck wanted to buy 56 hot dogs to cook, and the hot dogs came in packages of 12, what would be the minimum number of packages that she would need to buy? A. B. C. D. 3 4 5 6 56 rounded to 60 and 12 to 20; 60 ÷ 20 56 ÷12; rounded correct 56 rounded to 60 and 12 rounded to 10; 60 ÷10 2.3.8 Measurement and Estimation Conversions D. Perform conversions within the metric system and customary system including scale measurements, between units of time and between units of temperature. 5. Once when she was signing a book, Pearl Buck noticed that the pencil lead was 5 millimeters long. Because she spent half of her life in China where the metric system is used, she decided to find out what the length of the lead would be in centimeters. How many centimeters long was the pencil lead? A. B. C. D. 0.05 cm 0.5 cm 50 cm 500 cm 5 ÷ 100 correct 5 X 10 5 X 100 2.3.8 Measurement and Estimation Conversions D. Perform conversions within the metric system and customary system including scale measurements, between units of time and between units of temperature. 6. There were always many adopted and foster children living at Green Hills Farm. If they usually drank 5 gallons of milk a week, how many pints of milk would they drink each week? A. B. C. D. 10 pints 20 pints 40 pints 80 pints 5X2 5X4 correct 5 X 16 520 Dublin Road, Perkasie, PA 18944-3000 · 215-249-0100 · 215-249-9657 (fax) · www.pearlsbuck.org Welcome House® · Opportunity House · Pearl S. Buck House Pearl S. Buck Math Problems Grade 8 Based on PSSA Sampled & PA Academic Standards for Math 2.3.8 Measurement and Estimation Conversions D. Perform conversions within the metric system and customary system including scale measurements, between units of time and between units of temperature. 7. Pearl Buck always liked to write at her typewriter in the morning. If she wrote for 5 hours one day, how many seconds did she write on that day? A. B. C. D. 300 3,600 7,200 18,000 minutes, 5 X 60 seconds in 1 hour, 60 X 60 minutes in 5 days, 5 X 24 X 60 correct 2.3.8 Measurement and Estimation Conversions D. Perform conversions within the metric system and customary system including scale measurements, between units of time and between units of temperature. 8. The thermometer at Green Hills Farm read 21 degrees Fahrenheit. What was the approximate temperature in degrees Celsius? A. B. C. D. – 20.3º C – 6.1º C 11.6º C 69.8º C (5/9) (21) – 32 correct (5/9) (21) (9/5) 21 + 32 2.8.8 Algebra and Functions Patterns C. Find the missing elements and recognize, describe, and extend patterns to include linear, exponential, and simple quadratic equations. 9. One night Pearl Buck was helping her two sons, Richard and John, with their homework. The boys wrote a list of numbers using a rule: 8, 15, 24, 35, __ Based on the rule, what should be the next number? A. B. C. D. 42 44 46 48 (15 - 8) + 35 (24 – 15) + 35 (35 – 24) + 35 correct 520 Dublin Road, Perkasie, PA 18944-3000 · 215-249-0100 · 215-249-9657 (fax) · www.pearlsbuck.org Welcome House® · Opportunity House · Pearl S. Buck House Pearl S. Buck Math Problems Grade 8 Based on PSSA Sampled & PA Academic Standards for Math 2.6.8 Statistics and Data Analysis Organization and Display of Data B. Organize and display data using an appropriate data display, such as circle graphs, histograms, line graphs, double bar graphs, and stem-and-leaf plots, Venn diagrams, tables and charts. 10. One day Pearl Buck asked her children and their friends where they would like to go on a day trip. The children had several responses. 21 % 15 % 16 % 48 % art gallery museum theater zoo Which of these displays would best represent this data? A. B. C. D. line graph circle graph frequency table box=and-whiskers plot 2 variables correct tally list data list 2.7.8 Probability and Predictions Compare Theoretical and Experimental Probabilities E. Find and interpret the experimental or theoretical probability of an outcome of a simple event. 11. One day in Nanking, China, Pearl Buck was riding a bus to teach her classes at Nanking University. On the bus there was a total number of 5 women, 14 men, and 21 students. One person signaled the driver to stop. What is the probability that the person who signaled was a woman? A. B. C. D. 1/40 1/8 1/7 1/5 1 of 40 people correct 5 women, 35 others 1 of 5 women 520 Dublin Road, Perkasie, PA 18944-3000 · 215-249-0100 · 215-249-9657 (fax) · www.pearlsbuck.org Welcome House® · Opportunity House · Pearl S. Buck House Pearl S. Buck Math Problems Grade 8 Based on PSSA Sampled & PA Academic Standards for Math 2.7.8 Probability and Predictions Representations of Probabilities C. Determine the number of combinations and permutations for an event. 12. One day Pearl Buck’s children: Richard, John, Edgar and Jean were lined up at the milk house waiting to help with milking the dairy cows on the farm. How many different ways could they be arranged in this line? A. B. C. D. 4 8 16 24 4 names 4 times 2 4 times 4 correct 2.7.8 Probability and Predictions Representations of Probabilities C. Determine the number of combinations and permutations for an event. 13. Once a child arrived at Welcome House with three pairs of shorts, five shirts and two pairs of shoes. How many different outfits consisting of 1 shirt, 1 pair of shorts and 1 pair of shoes could he make? A. B. C. D. 5 10 25 30 number of shirts 3+5+2 5 X (3 + 2) correct 520 Dublin Road, Perkasie, PA 18944-3000 · 215-249-0100 · 215-249-9657 (fax) · www.pearlsbuck.org Welcome House® · Opportunity House · Pearl S. Buck House