Unit 6 - Lesson 14 - Grade 3: Illustrative Mathematics
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Grade 3 Unit 6
Lesson 14: What Makes Sense in the Problem?
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 6
Lesson 14: What Makes Sense in the Problem?
CC BY 2021 Illustrative Mathematics®
Lesson: What Makes Sense in the Problem?
Find the value of each expression mentally.
306 + 199
306 + 199
318 + 297
318 + 297
275 + 325
275 + 325
275 + 329
275 + 329
Here are three problems about time at the carnival. They are missing some information.
In the blanks, write numbers or times that make sense for the situation in the problem.
Clare waited for Tyler to ride the Ferris wheel. Tyler left at_______and got back at_______.
When Tyler got back, he and Clare got in line to ride the roller coaster. They waited_______minutes. At_______, they got on the ride.
Clare and Tyler got to the carnival at_______. After_______minutes, they took a break to buy lemonade.
Share the numbers and times you chose with your group and explain why they make sense.
Share the numbers and times you chose with your group and explain why they make sense.
How long did Clare wait for Tyler? Explain your reasoning.
How long did Clare wait for Tyler? Explain your reasoning.
What time did they get in line? Explain your reasoning.
What time did they get in line? Explain your reasoning.
What time did they take their lemonade break? Explain your reasoning.
What time did they take their lemonade break? Explain your reasoning.
A lemonade stand at the fair makes 132 liters of lemonade a day. When Clare and Tyler stopped by the stand, there were 90 liters left.
At the end of the day, there were 56 liters of lemonade left, which the vendor put on sale in 4-liter jugs.
Use the information about the lemonade stand to write a question that could be answered with themathematical work shown.
132 - 90 = 42
Question:
Use the information about the lemonade stand to write a question that could be answered with the
mathematical work shown.
132 - 90 = 42
Question:
Use the information about the lemonade stand to write a question that could be answered with themathematical work shown.
Question:
Use the information about the lemonade stand to write a question that could be answered with the
mathematical work shown.
Question:
Cool Down: A Show at the Carnival
A show at the carnival starts at 2:45 p.m. and lasts 47 minutes. What time does the showend? Explain or show your reasoning.
A show at the carnival starts at 2:45 p.m. and lasts 47 minutes. What time does the show
end? Explain or show your reasoning.
Another show that is 24 minutes long ends at 5:10 p.m. Kiran says that the show startsbefore 4:40 p.m. Do you agree? Explain or show your reasoning.
Another show that is 24 minutes long ends at 5:10 p.m. Kiran says that the show starts
before 4:40 p.m. Do you agree? Explain or show your reasoning.