Mixed Units of Time
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Lesson Plans and Worksheets for Grade 4
Lesson Plans and Worksheets for all Grades
More Lessons for Grade 4
Common Core For Grade 4
Examples, solutions, and videos to help Grade 4 students learn how to solve problems involving mixed units of time.
Topic B: Problem Solving with Measurement
Common Core Standards: 4.OA.2, 4.OA.3, 4.MD.1, 4.MD.2, 4.NBT.5, 4.NBT.6
Worksheets for Grade 4
Lesson 9 Problem Set
Determine the following sums and differences. Show your work.
a. 23 min + 37 min = _______hr
b. 1hr 11 min + 49 min = _______ hr
c. 1 hr – 12 min= _______min
d. 4 hr – 12 min = _______hr_______min
e. 22 sec + 38 sec = _______min
f. 3 min – 45 sec = _______min________sec
2. Find the following sums and differences. Show your work.
a. 3 hr 45 min + 25 min = ______hr_____min
b. 2 hr 45 min + 6 hr 25 min = ______hr_____min
c. 3 hr 7 min – 42 min = _______hr_______min
d. 5 hr 7 min – 2 hr 13 min = ______hr_____min
e. 5 min 40 sec + 27 sec =_______min______sec
f. 22 min 48 sec – 5 min 58 sec = ____min____sec
3. At the cup stacking competition, the first place finishing time was 1 minute 52 seconds. That was 31 seconds faster than the second place finisher. What was the second place time?
4. Jackeline and Raychel have 5 hours to watch three movies that last 1 hour, 22 minutes; 2 hours, 12 minutes; and 1 hour, 57 minutes, respectively.
a. Do the girls have enough time to watch all three movies? Explain why or why not.
b. If Jackeline and Raychel decide to watch only the two longest movies and take a 30 minute break in between, how much of their 5 hours will they have left over?
Lesson 9 Homework
Determine the following sums and differences. Show your work.
a. 41 min + 19 min = _______hr
b. 2hr 21 min + 39 min = _______ hr
c. 1 hr – 33 min= _______min
d. 3 hr – 33 min = _______hr_______min
e. 31 sec + 29 sec = _______min
f. 5 min – 15 sec = _______min________sec
2. Find the following sums and differences. Show your work.
a. 5 hr 30 min + 35 min = ______hr______min
b. 3 hr 15 min + 5 hr 55 min = ______hr_____min
c. 4 hr 4 min – 38 min = _______hr_______min
d. 7 hr 3 min – 4 hr 25 min = ______hr_____min
e. 3 min 20 sec + 49 sec = _______min______sec
f. 22 min 37 sec – 5 min 58 sec = ____min____sec
3. It took 5 minutes 34 seconds for Melissa’s oven to preheat to 50 degrees. That was 27 seconds slower than it took Ryan’s oven to preheat to the same temperature. How long did it take Ryan’s oven to preheat?
4. Joanna read three books. Her goal was to finish all three books in a total of 7 hours. She completed them, respectively, in 2 hours, 37 minutes; 3 hours, 9 minutes; and 1 hour, 51 minutes.
a. Did Joanna meet her goal? Write a statement to explain why or why not.
b. Joanna completed the two shortest books in one evening. How long did she spend reading that evening? How long, with her goal in mind, did that leave her to read the third book?
Lesson Plans and Worksheets for Grade 4
Lesson Plans and Worksheets for all Grades
More Lessons for Grade 4
Common Core For Grade 4
Examples, solutions, and videos to help Grade 4 students learn how to solve problems involving mixed units of time.
Topic B: Problem Solving with Measurement
Common Core Standards: 4.OA.2, 4.OA.3, 4.MD.1, 4.MD.2, 4.NBT.5, 4.NBT.6
NYS Common Core Grade 4, Module 7, Lesson 9
Worksheets for Grade 4
Lesson 9 Problem Set
Determine the following sums and differences. Show your work.
a. 23 min + 37 min = _______hr
b. 1hr 11 min + 49 min = _______ hr
c. 1 hr – 12 min= _______min
d. 4 hr – 12 min = _______hr_______min
e. 22 sec + 38 sec = _______min
f. 3 min – 45 sec = _______min________sec
2. Find the following sums and differences. Show your work.
a. 3 hr 45 min + 25 min = ______hr_____min
b. 2 hr 45 min + 6 hr 25 min = ______hr_____min
c. 3 hr 7 min – 42 min = _______hr_______min
d. 5 hr 7 min – 2 hr 13 min = ______hr_____min
e. 5 min 40 sec + 27 sec =_______min______sec
f. 22 min 48 sec – 5 min 58 sec = ____min____sec
3. At the cup stacking competition, the first place finishing time was 1 minute 52 seconds. That was 31 seconds faster than the second place finisher. What was the second place time?
4. Jackeline and Raychel have 5 hours to watch three movies that last 1 hour, 22 minutes; 2 hours, 12 minutes; and 1 hour, 57 minutes, respectively.
a. Do the girls have enough time to watch all three movies? Explain why or why not.
b. If Jackeline and Raychel decide to watch only the two longest movies and take a 30 minute break in between, how much of their 5 hours will they have left over?
Determine the following sums and differences. Show your work.
a. 41 min + 19 min = _______hr
b. 2hr 21 min + 39 min = _______ hr
c. 1 hr – 33 min= _______min
d. 3 hr – 33 min = _______hr_______min
e. 31 sec + 29 sec = _______min
f. 5 min – 15 sec = _______min________sec
2. Find the following sums and differences. Show your work.
a. 5 hr 30 min + 35 min = ______hr______min
b. 3 hr 15 min + 5 hr 55 min = ______hr_____min
c. 4 hr 4 min – 38 min = _______hr_______min
d. 7 hr 3 min – 4 hr 25 min = ______hr_____min
e. 3 min 20 sec + 49 sec = _______min______sec
f. 22 min 37 sec – 5 min 58 sec = ____min____sec
3. It took 5 minutes 34 seconds for Melissa’s oven to preheat to 50 degrees. That was 27 seconds slower than it took Ryan’s oven to preheat to the same temperature. How long did it take Ryan’s oven to preheat?
4. Joanna read three books. Her goal was to finish all three books in a total of 7 hours. She completed them, respectively, in 2 hours, 37 minutes; 3 hours, 9 minutes; and 1 hour, 51 minutes.
a. Did Joanna meet her goal? Write a statement to explain why or why not.
b. Joanna completed the two shortest books in one evening. How long did she spend reading that evening? How long, with her goal in mind, did that leave her to read the third book?
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