76 What He sold 32 bushels. 5. A farmer took 40 bushels of potatoes to market. percent did he sell? Answer He charges 6. John, vho enjoyS being outdoors, earns money by mowing lawns. If he move 3 yards on Saturday and 4 yards on Sunday, $3.50 to mov a lawn. how much money will he earn? Ansver He bought 3 cans of 7. Bill has spent $3.25 on supplies for his camping trip. If the package of hot dogs costs $1.00, beans and 1 package of hot dogs. how much does 1 can of beans cost? Answer 8. Mr. Jones and Mr. Brown spent the same amount of money to fertilize their Mr. Jones used 12 pounds of fertilizer for his field and Mr. Brown fields. If Mr. Jones spent 8 cents per pound for fertilizer, how used 16 pounds. much per pound did Mr. Brown spend? Answer 9 6 7 7 The first basket 2 baskets. 9. Atter ;licking strawberries, Alice put them into If the second basket contains 60 more strawberries than the second basket. there altogether? contains 40 strawberries, how many strawberries are Answer She noticed that for every 2 10. Betty visited an orchard this past summer. If the orchard had 18 apple trees, apple trees, there were 3 cherry trees. bow many cherry trees were there? Answer 9 7 78 2 Name Teadher Directions: Work each of the problems below as best you can. Please show your work in the space provided Put your answer in the blank. 1. Mr. Brown is a cashier in a clothing store. If a customer purchases 5 shirts at $6.00 per shirt, how much should Mr. Brown charge? Answer 1 2. A person with pencil and paper can work -6 as many addition problems as a Haw many addition problems can the person with person with et calculator. pencil and paper work while the person with a calculator works 180? Answer Sue likea to figure out distances while traveling in a car. The car she 3. If the car was traveling 50 miles per hour and gets is in went 150 miles. 10 milea per gallon, how long did the car travel? Answer 4. Being treasurer ofhis high school clasa, Gary is in charge of getting a group for the dance. He found a group of folksingers that charges $105 for 1 37 hour program. a What does the group charge per hour' Answer 98 79 5. Jill took a math test which had 40 problems. She solved 32 of them correctly. What percent did she solve correctly? Answer 6. W. Smith is a bookkeeper who earns extra money by figuring people's income tax. He-charges $3.50 an hour. If he worked 5 hours on Saturday and 4 hours on Sunday, how much money did he earn? Answer He has 7. Frank hns sold $3.25 worth of tickets for the eighth grade play. sold 3 student tickets and 1 adult ticket. If an adult ticket cost $1.00 haw much does 1 student ticket cost? Answer 8. Bill measured a line segment using two different sticks as rulers. He found using stick I the line is 12 sticks long, and using stick II the line is 16 sticks long. If stick I measures 8 inches in length, how iong is stick II? Answer 99 6 8 9. Alice vas selected to count the number of votes in an election between 2 The first candidate received 60 more votes than the second candidates. If the second candidate received 40 votes, how many votes candidate. were cast in the election? Answer Fbr every $2.00 10. Betty figured out her savings from summer work this year. If she saved $18.00 she saved last year she has saved $3.00 this year. last year, how much did she save thia year? Answer 100 81 3 Teacher Name Please show your Work each of the problems below as best you can. Directions: work in the space provided. Put your answer in the blank. cages and.8 5 If he.has 1. Mi.. Brown raises White mice for scientific reasons. White mice per cage, how many white mice does Mk. Brown haire? Answer 1 2. Due to different forces of gravity, the weight of a man on the moon is Bow much is the weight on the moon of the weight of the man on the earth. of a man who weighs 180 pounds on earthT Answer The 3. Hoping to combat a rare disease, Dr. Jones purchased some new medicine. If the medicine came in containers each costing $50 and _medicine cost $150. weighing 10 pounds, how many containers did Mr. Jones buy? Answer 4. Mrs. Davis wants the students in her science class to conduct some electri- 1 She has 105 feet of wire and each student needs 3i feet of cal experiments. How many students can participate in the experiment? vire. Answer 10 1 82 5. A chemical alloy weighs 40 grams. It contains 32 grams of aluminum. What percent of the chemical alloy is alum3num? Answer 6. The chemical, silver nitrate, is used in the construction of lenses for telescopes. It costs $3.50 a pound. If 3 pounds are purchased in June and 4 pounds in July, how much will it cost? Answer 7. Bill has spent $3.25 for the science laboratory in his garage. He has bought 3 beakers and 1 thermometer. If the thermometer cost $1.00, how much does 1 beaker cost? Answer 8. Frank used lead weights and.steel weights to weigh an object on a pan bal- He found that the object weighed either 12 lead veights or 16 steel ance. weights. If a lead weight weighs 8 ounces, how much does a steel weight weigh? Answer 102 83 There are 60 more milliliters of water in 9. Alice has 2 beakers of water. the first beaker than there are in the second beaker. If the second beaker has 40 milliliters in it, how many milliliters of vater do they have alto- gether? Answer 10. Betty vas interested in the gear ratio of her bicycle. For every 2 revolu- tions of her pedal, the back wheel makes 3 revolutions. When the pedal makes 18 revolutions, how many revolutions does the back wheel make? Anawer 103 BIBLIOGRAPHY 84 104 BIBLIOGRAPHY Bowman, H. L. The relation of reported reference to Per- formance in problem-solving. Columbia, Mo.: University of Missouri, 1929. Bramhall, E. W. An experimental study of two types of arithmetic problems. Journal of Experimental Education, 1939, 8, 36-38. Brown, K. E., Simon, L., & Snader, D. General mathematics. River Forest, In.: Book two. Laidlaw Brothers, 1963. Brownell, W. A., & Stretch L. B. The effect of unfamiliar settings on problem-solving. Duke University Research Studies in Education, Number 1, 1931. Buswell, G. T. Arithmetic. In H. W. Chester (Ed.). En- cyclopedia of educational research. New York: Macmillan, 1960, 63-77. Commission on Postwar Plans. The second report of the Commission on Postwar Plans. Mathematics Teacher, 1945, 38, 195-221. Connors, W. L. & Hawkins, G. C. What materials are most useful to children in learning to solve problems. Educational Method, 1936, 16, 21-29. De Garmo, C. Interest and education. Macmillan London: Company, 1902. De Roche, E. F. Motivation: An instructional technique. Clearing_ house, 1967, 41. 403-406. Dewey, J. Interest and effort in education. New York: Houghton Mifflin Company, 1913. Dewey, J. The child and the curriculum. Chicago, Ill.: University of Chicago Press, 1902. 85 105