Grade 4 math · O.1 · Elapsed Time: Longer Events
Elapsed time word problems: 4 hours or less
Some events cross noon: watch a.m. and p.m.
See worked examples
A bake sale starts at 7:00 p.m. and lasts 3 hours 25 minutes. What time does it end?
Answer: 10:25 p.m.
Amara started a skating party at 1:20 p.m. and finished at 2:20 p.m. How long did it take?
Answer: 1 hour
Sofia started a skating party at 9:45 a.m. and finished at 1:35 p.m. How long did it take?
Answer: 3 hours 50 minutes
Tip: Some events cross noon: watch a.m. and p.m.
Curriculum
Common Core: 3.MD.A.1, 4.MD.A.2
On paper: this skill is in the printable pack Grade 4 Time and Measurement Word Problems (Common Core), with an answer key.
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