Starter quiz
- Tick all of the statements that are true.
- 10 g = 1 kg
- 1 kg = 1,000 g ✓
- 1 l = 100 ml
- 1,000 m = 1 mm
- 1,000 m = 1 km ✓
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- Jun’s dog has a mass of 3 kg. The mass increases over time by 1 kg. Which of these statements is true?
- The mass of the dog has gone up. ✓
- The mass of the dog has gone down.
- The mass of the dog has stayed the same.
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- 800 m + ___ m = 1,300 m
- '500' ✓
- 900 m + 600 m = ______ m
- '1,500' ✓
- 2,000 − 30 =
- '1,970' ✓
- 1 kg − 50 g = ______ g
- '950' ✓
Exit quiz
- Jun and Snowy walked 3 km on Tuesday. This was 500 m further than they walked on Monday. How far did they walk on Monday?
- '2,500 m' ✓
- Snowy eats 2,000 g of food over three weeks. She eats 750 g during Week 1 and 750 g during Week 2. How much does she eat during Week 3?
- '500 g' ✓
- Snowy’s height is 200 mm. Jun’s height is 1 m. How much taller is Jun than Snowy?
- '800 mm' ✓
- Snowy is supposed to eat 1 kg of food in one week. So far she has eaten 500 g. How much more does she need to eat?
- '500 g' ✓
- Snowy drinks 2,200 ml of water in Week 1 and 2,600 ml of water in Week 2. How much has she drunk altogether? ______ ml.
- '4,800' ✓
- Jun fills a dog bath with with 5 l of water. Snowy is not happy. She splashes and wriggles, spilling about 50 ml of water out. How much water is left in the bath ______ ml.
- '4,950 ' ✓
Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Use known facts to solve problems involving measures.
- Use informal methods such as partitioning and bridging to solve problems involving measures.
- Convert between units of measure to simplify problems.
Common misconception
Pupils may need support to identify the operation(s) involved in solving a problem and when a problem is presented with mixed units and it is necessary to convert one of them.
Read the problems aloud. Ensure that children identify the operation(s) involved and see this as a clear step in solving the problem. Emphasise the units of measure so that attention is drawn to them and they identify whether conversion is needed.
Keywords
Convert - To change a value from one form to another, such as converting 1 m into 1,000 mm
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