Converting Units of Time
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Converting Units of Time
Units of time worksheet: change 16 times to the smaller unit, from 5 h = 300 min up to 78 min in seconds, 8 days in minutes and 11 weeks in hours. Grades 4 and 5 with an answer key.
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Teach it first
Converting to Smaller UnitsA teaching handout to hand out before this sheet: the rule, worked examples and common mistakes.- Pages
- 1
- Last updated
- Time
- About 15 minutes
- Answer key
- Included
- Printing
- Black and white
- Related curriculum
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Know how big units are compared with each other (1 km = 1,000 m, 1 lb = 16 oz, 1 hr = 60 min), fill in conversion tables, convert between larger and smaller units in one system, and solve problems with measurements.
Reviewed by Mrs. Catherine Reynolds, Teacher. How we check worksheets
How to use this sheet
- Have the child write the conversion fact at the top of each problem, such as 1 foot = 12 inches.
- Ask whether the number should get bigger or smaller: smaller units mean a bigger number.
- Use the conversion tables on the sheet as a reference for the first problems.
Common mistakes
- Dividing when they should multiply. Going to a smaller unit makes the number bigger.
- Using a metric rule, multiplying by 10, for customary units such as feet and inches.
- Treating time like decimals, so 1 hour 30 minutes becomes 1.30 hours. It is 1.5 hours.
