Ethan finished playing games at a Christmas party at 7:20 p.m.
If he played for 30 minutes, when did he start?

Zara finished decorating posters at 9:45 a.m.
If she worked for 1 hour 30 minutes, when did she start?

Lila finished baking cupcakes for a fundraiser at 12:00 p.m.
If she baked for 2 hours, when did she start?

Ella finished breakfast at 9:00 a.m.
If she ate for 1 hour, when did she start?

Leo helped cook snacks during a campfire activity. Even though he paused briefly to gather ingredients, his total cooking time was 2 hours 15 minutes.

The activity ended at 11:15 a.m.
When did Leo start cooking?

Leo finished cleaning the garden at 11:15 a.m.
If he worked for 2 hours 15 minutes, when did he start?

Zara joined a canoe training session at camp. She spent a few minutes getting her life jacket ready before starting, but her actual training lasted 1 hour 30 minutes.

The session ended at 9:45 a.m.
What time did the training begin?

Charles finished reading at 3:25 p.m.
If he read for 35 minutes, when did he start?

Oliver finished homework at 7:15 p.m.
If he worked for 25 minutes, when did he start?

Ava finished riding games at the school carnival at 5:40 p.m.
If she spent 45 minutes at the games, when did she start?

Emma finished watching a movie at 8:30 p.m.
If the movie lasted 55 minutes, when did she start?

Noah finished soccer practice at 6:05 p.m.
If he practiced for 40 minutes, when did he start?

Diego finished sorting donated clothes at 9:00 a.m.
If he worked for 1 hour 30 minutes, when did he start?

Maya finished her art project at 4:10 p.m.
If she worked for 50 minutes, when did she start?

Mateo joined a morning art workshop at camp. He spent a little time choosing colors, but his total working time was 2 hours 15 minutes.
The workshop ended at 10:45 a.m.
When did the workshop start?

Arjun finished wrapping gifts for a charity event at 11:00 a.m.
If he worked for 3 hours, when did he start?

The soccer warm-up ended at 10:30 a.m.
It lasted 1 hour 30 minutes.
When did the warm-up begin?