1 dp Rounding: Real-world Applications in Music & Sound
Mathematics
Year 9
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on 1 decimal place rounding within the context of music and sound measurements, designed for Year 9 students. Includes procedural, problem-solving, and real-world application questions.
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Full preview • 11 questions
1 dp Rounding: Real-world Applications in Music & Sound
Subject: MathematicsGrade: Year 9
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Date:
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Untitled Worksheet
Grade Year 9
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Round the following sound level measurement to 1 decimal place: 65.78 dB.
[1 mark]2.
A speaker's output is recorded as 88.2376 dB. Round this value to 1 decimal place.
[1 mark]3.
A microphone captures a sound level of 72.945 dB. Round to 1 decimal place.
[1 mark]4.
Fluency: Round 56.789 dB to 1 decimal place.
[1 mark]5.
A sound engineer records a volume level as 69.146 dB. Round to 1 decimal place.
[1 mark]6.
Problem Solving: A concert hall's average sound level is 73.568 dB. The technician records it as 73.568. Round to 1 decimal place for reporting.
[2 marks]7.
In a sound experiment, the recorded decibel level is 61.954 dB. Round to 1 decimal place.
[1 mark]8.
Real-world Application: A music producer records the volume of a track as 85.237 dB. Round to 1 decimal place for the final mix.
[2 marks]9.
A sound level measured at a concert is 90.785 dB. The technician reports this value rounded to 1 decimal place. What is the reported value?
[2 marks]10.
Challenge: A sound engineer records a noise level as 77.993 dB. Round this to 1 decimal place. If they mistakenly round to 2 decimal places, what is the difference between the two rounded values?
[3 marks]11.
Error Analysis: A student reports a sound level as 66.45 dB after rounding to 1 decimal place. Identify and correct the mistake if the original measurement was 66.448 dB.
[2 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet