37
Choose appropriate length units
Select suitable units such as mm, cm, m or km for different objects.
Chapter route
Measurement of Length and Motion
This chapter page turns the high-level subject view into an ordered learning slice, with direct links from curriculum items into topic and skill detail.
Ordered curriculum items
Each curriculum item can now route into topic and skill-level detail.
38
Use measuring tools correctly
Measure length with a ruler or tape avoiding zero error and parallax.
39
Convert simple length units
Convert between common length units in simple cases.
40
Distinguish rest and motion
Decide whether an object is at rest or in motion relative to a reference point.
41
Identify types of motion
Recognise straight-line, circular, periodic and irregular motion examples.
42
Compare distances travelled
Compare paths and distances in everyday movement contexts.
43
Estimate lengths before measuring
Make reasonable length estimates and compare with measurement.
44
Record measurements with units
Write measurements with correct numbers and units.
45
Identify measurement errors
Find mistakes caused by wrong scale reading, unit omission or tilted ruler.
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