The Beaufort scale

The Beaufort scale

Pencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about reading scales given in a table form.
beaufort scale
Answer the following questions using the Beaufort Scale. 

Question 2Change answer

a)  How fast would the wind be blowing to make large trees sway?  km/h.

Question 2Change answer

b)  What Beaufort number (B.No.) is given to wind travelling at 95 km/h? 0123456789101112

Question 2Change answer

c)  What description is given to wind travelling at 24 km/hr?  CalmLight AirLight BreezeGentle BreezeModerate BreezeFresh BreezeStrong BreezeNear GaleGaleStrong GaleStormViolent StormHurricane Force

Question

d)  About how fast is 50 knots? (Select one)

    • (A)  89 km/h

    • (B)  92 km/h

    • (C)  98 km/h

    • (D)  100 km/h

Question 2Change answer

e)  i)  What Beaufort number (B. No.) would you give the wind today using the Beaufort Scale?  
     ii)  Explain why you gave it that number.
          
Task administration: 
This task can be completed with pencil and paper or online (with SOME auto marking).

 

Level:
4
Curriculum info: 
Maths, Geometry and Measurement, Measurement
Keywords: 
table interpretation, reading scales, wind
Description of task: 
Students use the Beaufort Scale, found on the Met Service website, to answer questions about wind speed.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Measurement sense, sets 6-7
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
a) Accept answers over 50 km/h or 28 knots.
b) 10
c) Moderate breeze.
d) B
e) Records observed wind conditions and chooses an appropriate rating from the Beaufort scale.