G3 U11 Constructed Response Rubric
Grade 3 Unit 11 Constructed Response Measurement of Time, Volume, and Mass Description Task
1. Time
2. Volume
3. Mass
Common Core State Standard for Mathematical Content (MC) 3.MD.1 Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram. 3.MD.2 Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l). Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem. 3.MD.2 Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l). Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem.
Standards for Mathematical Practice (MP) MP.1 MP.2 MP.3 MP.5 MP.6 MP.7 MP.8 MP.1 MP.2 MP.3 MP.5 MP.6 MP.7 MP.8 MP.1 MP.2 MP.4 MP.6 MP.7 MP.8
Note to Teacher: The following scoring rubric should be used as a guide to determine points given to students for each question answered. Students are required to show the process through which they arrived at their answers for every question involving problem solving. For questions involving a written answer, full points should be given to answers that are written in complete sentences which address each component of the questions being asked.
Copyright © Swun Math Grade 3 Unit 11 Constructed Response Rubric, Page 1
Scoring Rubric Question 1. a. Student wrote the correct time. 12:07 b. Student drew the hands on the clock correctly:
Points 1 1
2. a. Student gives the correct time and shows accurate work. 9:34 b. Student gives the correct time and shows accurate work. 1:00 c. Student gives the correct answer and an accurate explanation. Wording may vary. Sample explanation: No, Rodrigo is mistaken because 2:40 is only two minutes after the third grader’s dismissal at 2:38. Twelve minutes after 2:38 is 2:50. 3. a. Student gives the correct answer and shows accurate work. 1:34 b. Student gives the correct answer and shows accurate work. 2:07 c. Student gives the correct answer and an accurate explanation. Wording may vary. Sample explanation: 2:36. If the wait for Schooner Sky is 25 minutes and they got in line at 3:05, they would get to ride at 3:30. But the wait was 6 minutes longer than expected, so they got to ride at 3:36. 4. a. Student lists accurate measurements and estimate. Huy: 200 mL Kelso: about 400 mL Bao: 600 mL b. Student gives the correct answer. 1,200 mL c. Student gives the correct answer. 300 mL
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5. a. Student gives the correct answer and shows accurate work: 6 cups b. Student gives the correct answer and shows accurate work: 4,500 mL
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Copyright © Swun Math Grade 3 Unit 11 Constructed Response Rubric, Page 2
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Total
6. a. Student gives the correct answer and shows accurate work. 8 trips b. Student gives the correct answer and an accurate explanation. Wording may vary. Sample explanation: Yes, Miguel is correct because 2,250 mL + 3,750 mL = 6,000 mL. After 2,250 mL of water is in the tank, another 3,750 mL is still needed to fill it. 7. a. Student gives the correct answer: gram b. Student gives the correct answer: kilogram c. Student gives the correct answer: grams d. Student gives the correct answer: kilograms 8. a. Student gives the correct answer and shows accurate work: 90 kg b. Student gives the correct answer and shows accurate work: 30 backpacks c. Student gives the correct answer and shows accurate work: 6 student desks 9. a. Student gives a correct answer and shows accurate work. Responses may vary: Sample answers include: keys, cell phone, extra golf ball, five golf tees (197 g) keys, wallet (191 g) cell phone, extra golf ball, five golf tees (169 g) cell phone, sun screen (198 g) wallet, five golf tees (173 g) extra golf ball, five golf tees, sun screen (141 g) b. Student gives an accurate explanation. Explanation and wording may vary. If the golfer doesn’t want to carry more than 700 g and will definitely bring the water bottle, he can only carry 200 g more. 700 g – 500 g = 200 g. So, any combination of the other items whose masses total less than 200 g could be what he chose to bring. For example, he could bring either his cell phone or his wallet but not both because the total of their masses is 276 g. If he chose his cell phone (113 g), he could also bring an extra golf ball (46 g) and five golf tees (10 g) for a total of 169 g.
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Total
30
Copyright © Swun Math Grade 3 Unit 11 Constructed Response Rubric, Page 3
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1. Time
2. Volume
3. Mass
Common Core State Standard for Mathematical Content (MC) 3.MD.1 Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram. 3.MD.2 Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l). Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem. 3.MD.2 Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l). Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem.
Standards for Mathematical Practice (MP) MP.1 MP.2 MP.3 MP.5 MP.6 MP.7 MP.8 MP.1 MP.2 MP.3 MP.5 MP.6 MP.7 MP.8 MP.1 MP.2 MP.4 MP.6 MP.7 MP.8
Note to Teacher: The following scoring rubric should be used as a guide to determine points given to students for each question answered. Students are required to show the process through which they arrived at their answers for every question involving problem solving. For questions involving a written answer, full points should be given to answers that are written in complete sentences which address each component of the questions being asked.
Copyright © Swun Math Grade 3 Unit 11 Constructed Response Rubric, Page 1
Scoring Rubric Question 1. a. Student wrote the correct time. 12:07 b. Student drew the hands on the clock correctly:
Points 1 1
2. a. Student gives the correct time and shows accurate work. 9:34 b. Student gives the correct time and shows accurate work. 1:00 c. Student gives the correct answer and an accurate explanation. Wording may vary. Sample explanation: No, Rodrigo is mistaken because 2:40 is only two minutes after the third grader’s dismissal at 2:38. Twelve minutes after 2:38 is 2:50. 3. a. Student gives the correct answer and shows accurate work. 1:34 b. Student gives the correct answer and shows accurate work. 2:07 c. Student gives the correct answer and an accurate explanation. Wording may vary. Sample explanation: 2:36. If the wait for Schooner Sky is 25 minutes and they got in line at 3:05, they would get to ride at 3:30. But the wait was 6 minutes longer than expected, so they got to ride at 3:36. 4. a. Student lists accurate measurements and estimate. Huy: 200 mL Kelso: about 400 mL Bao: 600 mL b. Student gives the correct answer. 1,200 mL c. Student gives the correct answer. 300 mL
1 1 2
5. a. Student gives the correct answer and shows accurate work: 6 cups b. Student gives the correct answer and shows accurate work: 4,500 mL
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Copyright © Swun Math Grade 3 Unit 11 Constructed Response Rubric, Page 2
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Total
6. a. Student gives the correct answer and shows accurate work. 8 trips b. Student gives the correct answer and an accurate explanation. Wording may vary. Sample explanation: Yes, Miguel is correct because 2,250 mL + 3,750 mL = 6,000 mL. After 2,250 mL of water is in the tank, another 3,750 mL is still needed to fill it. 7. a. Student gives the correct answer: gram b. Student gives the correct answer: kilogram c. Student gives the correct answer: grams d. Student gives the correct answer: kilograms 8. a. Student gives the correct answer and shows accurate work: 90 kg b. Student gives the correct answer and shows accurate work: 30 backpacks c. Student gives the correct answer and shows accurate work: 6 student desks 9. a. Student gives a correct answer and shows accurate work. Responses may vary: Sample answers include: keys, cell phone, extra golf ball, five golf tees (197 g) keys, wallet (191 g) cell phone, extra golf ball, five golf tees (169 g) cell phone, sun screen (198 g) wallet, five golf tees (173 g) extra golf ball, five golf tees, sun screen (141 g) b. Student gives an accurate explanation. Explanation and wording may vary. If the golfer doesn’t want to carry more than 700 g and will definitely bring the water bottle, he can only carry 200 g more. 700 g – 500 g = 200 g. So, any combination of the other items whose masses total less than 200 g could be what he chose to bring. For example, he could bring either his cell phone or his wallet but not both because the total of their masses is 276 g. If he chose his cell phone (113 g), he could also bring an extra golf ball (46 g) and five golf tees (10 g) for a total of 169 g.
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Total
30
Copyright © Swun Math Grade 3 Unit 11 Constructed Response Rubric, Page 3
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