Grade 6, Unit 3 Practice Problems - Open Up Resources

1 ( )( ) Grade 6 Math(/6/ )Units(/6/ )Teacher Guide(/6/ )Print (/6/ )LMS (/6/teacAssessments(/6/teachers/3/ ) Practice Problems (/6/teachers/3 )Unit Downloads(/6/teachers/3 )Fam(/6/teachers/3/fLessonsUnit 3 PracticeProblemsLesson 1 lesson 2 lesson 3 lesson 4 lesson 5 lesson 6 lesson 7 lesson 8 lesson 9 lesson 10 lesson 11 lesson 12 lesson 13 lesson 14 lesson 15 lesson 16 lesson 1 Problem 1An elevator travels 310 feet in 10 seconds. At that speed, how far can this elevator travel in 12 seconds? Explain your feet. , so the elevator travels 31 feet per second.))

2 And .Problem 2 Han earns $ for babysitting 4 hours. At this rate, how much will he earn if he babysits for 7 hours? Explain your will earn $ in 7 hours. , so the hourly rate is $ If he earns $ every hour, he will earn or $ 3 The cost of 5 cans of dog food is $ At this price, how much do 11 cans of dog food cost? Explain your cans cost $ , so each can costs 87 cents, and .Problem 4A restaurant has 26 tables in its dining room. It takes the waitstaff 10 minutes to clear and set 4 tables. At this rate, how long will it take the waitstaffto clear and set all the tables in the dining room?

3 Explain or show your will take 65 minutes, or 1 hour and 5 minutes. Sample strategy:number of tablestime in 5(from Unit 2, lesson 16)A sandwich shop serves 4 ounces of meat and 3 ounces of cheese on each sandwich. After making sandwiches for an hour, the shopowner has used 91 combined ounces of meat and How many combined ounces of meat and cheese are used on each sandwich?2. How many sandwiches were made in the hour?3. How many ounces of meat were used?4. How many ounces of cheese were used?Solution1. 7 ounces2. 13 sandwiches3. 52 ounces of meat4.

4 39 ounces of cheeseProblem 6(from Unit 2, lesson 14)Here is a flower made up of yellow hexagons, red trapezoids, and green How many copies of this flower pattern could you build if you had 30 yellow hexagons, 50 red trapezoids, and 60 green triangles?2. Of which shape would you have the most left over?SolutionI could build 5 copies of the flower pattern, because that would use all 30 of the yellow hexagons. I would have 40 red trapezoids left 7(from Unit 1, lesson 16)Match each quantity in the first list with an appropriate unit of measurement from the second the perimeter of a baseball fieldB.

5 The area of a bed sheetC. the volume of a refrigeratorD. the surface area of a tissue boxE. the length of a spaghetti noodleF. the volume of a large lakeG. the surface area of the the moon1. centimeters (cm)2. cubic feet (cu ft)3. cubic kilometers (cu km)Solution1. E2. C3. F4. A5. B6. D7. GLesson 2 Problem 1 Select the unit from the list that you would use to measure each meters (m)5. square feet (sq ft)6. square inches (sq in)7. square kilometers (sq km)A. The length of a pencilB. The weight or mass of a pencilC. The volume of a pencilD.

6 The weight or mass of a hippopotamusE. The length of a hippopotamusF. The length of a fingernail clippingG. The weight or mass of a fingernail clippingH. The volume of a sinkI. The volume of a bowlJ. The length of a chalkboard or whiteboardK. The weight or mass of a chalkboard or whiteboardL. The length of the border between the United States and Canada1. centimeters2. cups3. feet4. gallons5. grams6. inches7. kilograms8. kilometers9. liters10. meters11. miles12. milliliters13. millimeters14. ounces15. poundsSolutionAnswers Vary. Possible responses:A.

7 Inches, centimetersB. grams, ouncesC. millimetersD. pounds, kilograms, tonsE. feet, yards, metersF. millimetersG. gramsH. gallons, liters, quartsI. cups, liters, quartsJ. feet. yards, metersK. kilograms, poundsL. kilometers, milesProblem 2 When this pet hamster is placed on a digital scale, the scale reads quarts17. tons18. yardsSolutionOunces. (Grams and milligrams are too small. Pounds and kilograms are too big.)Problem 3 Circle the larger unit of measure. Then, determine if the unit measures distance, volume, or weight (mass).Solution1.

8 Kilometer, distance2. Yard, distance3. Quart, volume4. Pound, weight (mass)What could be the units? 1. meter or kilometer2. yard or foot3. cup or quart4. pound or ounce5. liter or milliliter6. gram or kilogram5. Liter, volume6. Kilogram, weight (mass)Problem 4(from Unit 2, lesson 15)Elena mixes 5 cups of apple juice with 2 cups of sparkling water to make sparkling apple juice. For a party, she wants to make 35 cups of sparklingapple juice. How much of each ingredient should Elena use? Explain or show your cups of apple juice and 10 cups of sparkling water.

9 Possible strategies:There are 7 cups of sparkling juice in each batch, since . To make 35 cups Elena will need 5 batches since . 5 batchesmean 25 cups of apple juice and 10 cups of sparkling diagram:Problem 5(from Unit 2, lesson 12)Lin bought 3 hats for $ At this rate, how many hats could she buy with $ If you get stuck, try using the table. number of hatsprice in dollars Solution8 hats. Sample reasoning: number of hatsprice in 6(from Unit 2, lesson 9)Light travels about 180 million kilometers in 10 minutes. How far does it travel in 1 minute?

10 How far does it travel in 1 second? Show travels about 18 million km in 1 minute. , so light travels about 300,000 km in one 3 Problem 1(from Unit 3, lesson 2)Decide if each is a measurement of length, area, volume, or weight (or mass).1. How many centimeters across a handprint2. How many square inches of paper needed to wrap a box3. How many gallons of water in a fish tank4. How many pounds in a bag of potatoes5. How many feet across a swimming pool6. How many ounces in a bag of grapes7. How many liters in a punch bowl8. How many square feet of grass in a lawnSolution1.