Solve problems by measuring different lengths in cm using a ruler
I can solve problems by using a ruler accurately to measure lengths in centimetres.
Solve problems by measuring different lengths in cm using a ruler
I can solve problems by using a ruler accurately to measure lengths in centimetres.
Lesson details
Key learning points
- When using a ruler always measure starting from zero cm.
- Measuring length can help you find out if something will fit inside a container or not.
- You can tell 'first, then, now' stories that involve length.
Common misconception
Children may find it difficult to identify the 'then' part of the story because it is not found by measuring the length of the object.
Encourage children to make jumps with their finger on the ruler to demonstrate how many cm are between the 'first' length and the 'now' length.
Keywords
Longer than - An object has more length than another.
Shorter than - An object has less length than another.
First - The 'first' part of a 'first, then, now' story represents an amount that was already there.
Then - The 'then' part of a 'first, then, now' story represents an amount that was added or subtracted.
Now - The 'now' part of a 'first, then, now' story represents the amount that there is at the end of the story.
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
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