Year 5 - Maths
Solve problems involving converting between units of time
Converting units
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
In this unit pupils will apply memorised unit conversions to convert between units of measure and solve problems involving converting between units of time and money.
Lesson Summary
You can solve problems involving converting between units of time.
Key Notes
- There are 60 minutes in an hour.
- There are 24 hours in a day.
- There are 12 months in a year.
- There are 365 days in most years.
Vocabulary To Learn
- Convert: To convert is to change a value or expression from one form to another, such as minutes to hours.
Common Mistakes To Avoid
- Some pupils might think 8:45 + 20 mins = 8:65. As our system of time is not based around the decimal system, this is incorrect.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
There are 60 minutes in an hour. There are 24 hours in a day.
2. Use this key word in a maths sentence and explain it clearly. 'Convert'
To convert is to change a value or expression from one form to another, such as minutes to hours. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Some pupils might think 8:45 + 20 mins = 8:65. As our system of time is not based around the decimal system, this is incorrect. Correction: Some pupils may still not be fully au fait with telling the time, though the lesson presumes they are. Providing them with a mini-clock with movable hands will help to reinforce the idea of bridging to and then from the o'clock time.
More Lessons In This Unit
- Convert between miles and kilometres and pounds and Euro Study Guide
- Convert from larger to smaller units of measure Study Guide
- Convert from smaller to larger units of measure Study Guide
- Convert to and from fraction and decimal quantities of larger units Study Guide
- Solve problems involving converting units in different contexts Study Guide
- Solve problems involving different units of measure Study Guide
- Understand approximate equivalence between metric and imperial units Study Guide
- Use known facts to carry out conversions that correspond to 10 and 100 parts Study Guide
- Use known facts to derive common conversions over 1 Study Guide
Browse all guides in the Year 5 Maths guide library.