Solving Problems Involving Time

Effril began creating a model of the layers of the earth using buko at 4:30 in the afternoon. She was able to make her model at 5:05 PM. How long did it take her to ginish creating the model? What operation to be use?

• addition

• subtraction

• all of the above

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CCSS.3.MD.A.1

It takes Terry 30 minutes to walk around the park. He started at 4:12. What time did he finish?

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CCSS.3.MD.A.1

The cookout lasted 2 hours and 30 minutes. It started at 5:00. What time did it end?

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CCSS.3.MD.A.1

Nina cleaned the kitchen for 22 minutes. She started cleaning at 3:07. What time did she finish?

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CCSS.3.MD.A.1

It takes Cindy 27 minutes to walk her dog. She starts at 9:11. What time did she finish?

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CCSS.3.MD.A.1

My mom went shopping for 45 minutes. She started at 8:09. What time did she finish?

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CCSS.3.MD.A.1

Basketball practice lasts 1 hour. It started at 5:00. What time did it finish?

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CCSS.3.MD.A.1

It took 10 minutes for my phone to restart. If it restarted at 12:10, what time did it finish?

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CCSS.3.MD.A.1

My mother baked cookies for 40 minutes. She started baking at 1:30. What time did she finish?

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CCSS.3.MD.A.1

The drive to the mountains took 39 minutes. We started at 4:20. What time did we arrive?

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CCSS.3.MD.A.1