1. Time
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2. To access the 14 complete slides:
other measuring time tools and the remaining units of time
slides on what units of time a sand-timer, a sundial and a calendar measure
3 more slides on estimating how long an activity takes
the complete version of the final slide
visit
where you will also find telling time lesson plans, worksheets and other teaching resources on the topic of time ©

3. Units of time longest hour minute second (60 minutes) shortest
(60 seconds)
(60 minutes)
shortest
longest ©
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4. Which unit of time is a stopwatch best for measuring?
seconds
minutes
hours
days ©
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5. Estimate how long it takes to sneeze
3 seconds
30 seconds
1 minute
1 hour ©
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6. Use these things to help you with your work:
hour
second
minute
(60 second)
(60 minutes)
shortest
longest
Use these things to help you with your work:
3 seconds ©
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