Unit 3 · Measurement and Data
1620 on the Watch — What Time 15 Min Later?
Lesson 6 of 13
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About this lesson
Digital-time questions are really addition in disguise: read 1620 as 4:20 pm, add the minutes, then convert back if you need 12-hour format.
Chapters
0:00Introduction
0:22The Question
0:55Decoding "one quarter of an hour"
1:19Adding the time interval
1:41Converting to 12-hour format
2:04Exam strategy — the time addition trap
2:35Confirming the final option
Question
Mia's digital watch reads 1620.
What is the time one quarter of an hour later, in 12-hour format?
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