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4300
One kilometre equals one thousand metres.
Class 4 · English Medium · Pearson Edexcel · Mathematics
Measurement and unit conversion
Explore measurement and unit conversion with an example and your own answers.
About this lesson and its coverage
Original Kidemy foundation practice · Read the example, write your answers, then check. This starter is shared across class versions; it is not a complete board-specific lesson or course.
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Learn the idea
Convert measurements to one unit before adding or subtracting. Use conversion facts instead of changing a label alone.
Worked example
3 kg 250 g + 750 g = 4,000 g = 4 kg.
- Read the example and explain which rule or evidence it uses.
- Try each task yourself, then compare the answer and its reason.
Your written practice
Show your working on paper. Check your answer, then choose Next.
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3000
Write all the amounts in millilitres.
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1350
Convert two kilograms to two thousand grams first.
Take it further
Apply the idea in a new situation and explain your method. Open writing needs a guardian or teacher to review it.
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250
One metre is one hundred centimetres.
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4075
Add four thousand grams and seventy-five grams.
Write in your own words. A guardian or teacher should review this response.
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1.2 L=1200 mL. The second holds 450 mL more.
Use common capacity units and show the difference.
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