Measuring length and height (age 5+)
Measure and begin to record lengths and heights using non-standard and standard units
What a learner can do afterwards
- Measure the length of a table using cubes and record the result
- Begin to use a ruler to measure in centimetres
- Record a measurement as a number with a unit
The lesson
To measure something, use small units like cubes. Line the cubes up next to it. Count how many cubes it takes.
Tap each block and count out loud.
Try it together
Mia measures her book with cubes. She lines up 4 cubes next to it. The book is 4 cubes long.
Tap each block and count out loud.
Good to know
Always start measuring from the very end. Line up the cubes with no gaps. Write the number and the unit.
Line up units with no gaps, count them, and write the number with its unit.
Watch it
Where it sits
Learn first
This opens up
Where this leads
Jobs that lean on this skill. Follow one to see everything it is built on.
Then practise
8 questions wait behind this lesson, each with its answer explained. Every answer feeds the sky: stars light as they are learned, and dim when it is time to come back.