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1. PROPORTIONAL RELATIONSHIPS

1. PROPORTIONAL RELATIONSHIPS. When the seventh grade trail mix sale began, Mr. Malone, a Math teacher, bought the first six packages. From his purchase alone, the class raised $27.00. By the end of the first day of the sale, the class had raised $121.50.

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1. PROPORTIONAL RELATIONSHIPS

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  1. 1. PROPORTIONAL RELATIONSHIPS When the seventh grade trail mix sale began, Mr. Malone, a Math teacher, bought the first six packages. From his purchase alone, the class raised $27.00. By the end of the first day of the sale, the class had raised $121.50. How many packages had been sold by the end of the first day?

  2. 2. The last time Ian rented a canoe at Budget Livery, he paid $28.95 for 3 hours. Today, he used the canoe for 4 hours 45 minutes. If the rental cost is proportional to time, what will be his rental charge?

  3. 3. PROPORTIONAL RELATIONSHIPS Justin and his parents went to Ireland during his winter break. Before they left, Justin exchanged some money for euros. In exchange for $50 U.S., he received 74 euros. He returned with 10 euros.

  4. 4. PROPORTIONAL RELATIONSHIPS

  5. 5. MAP SCALE Douglas is helping his dad plan a trip from their house across town to his Uncle Warren’s house. The city map scale shows that 0.5 inch is equal to 3 miles. After measuring streets and turns carefully, Douglas estimated the distance to be about 4.5 inches. How far does Douglas live from his Uncle Warren?

  6. 6. MAP SCALE Jessica wants to know about how far she lives from her grandmother. She is using a map that has a scale of 2 cm = 70 km. Jessica found the distance from her house to her grandmother’s house to be about 5 centimeters.

  7. 7. MAP SCALE To compete in a debate, the school debate team traveled 50 miles. Using a map, Joaquin measured the trip distance as 2.5 inches. On the map, how many miles did 1 inch represent?

  8. 8. INDIRECT MEASUREMENT Mrs. Kelly measures the length of a tree’s shadow and finds it is 24.5 feet long. Then she holds a 12-inch ruler perpendicular to the ground and finds that it casts a 4.75-inch shadow.

  9. 9. INDIRECT MEASURMENT At the same time a 5-foot person casts a 2.5-foot shadow, a nearby tree casts an 8-foot shadow. How tall is the tree?

  10. 10. SIMILAR FIGURES…find the missing length

  11. 11. SIMILAR FIGURES…find the missing length

  12. 12. SIMILAR FIGURES Triangle ABC is similar to triangle TUV. What is the value of AC if TV is 9 feet, AB is 36 feet, and TU is 4 feet? Hint….draw and label the triangles to help solve.

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