Identifying Most Frequent: Space & Astronomy Real-world Applications
Mathematics
Year 9
13 questions
~26 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on identifying the most frequent data point within space and astronomy contexts for Year 9 students.
Worksheet Preview
Full preview • 13 questions
Identifying Most Frequent: Space & Astronomy Real-world Applications
Subject: MathematicsGrade: Year 9
Name:
Date:
TeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizzTeachWhizz
Untitled Worksheet
Grade Year 9
A
Fluency & Practice
Answer all questions. Show your working in the grid spaces provided.
1.
In a survey of the number of stars observed in different constellations, the counts are: 12, 15, 12, 17, 15, 12. What is the most frequently observed number?
[2 marks]2.
A telescope records the number of planets detected over several nights: 3, 4, 3, 5, 3, 4. Which number occurs most often?
[2 marks]3.
List the mode for the following data: 8, 9, 8, 10, 8, 9.
[2 marks]B
Problem Solving & Reasoning
Answer all questions. Show detailed working.
1.
A researcher notes the number of meteors observed in a night: 20, 22, 20, 23, 20, 21. Determine the mode and explain why it is considered the most frequent value.
[3 marks]2.
Data collected from a satellite shows the number of satellites passing overhead per hour: 5, 6, 5, 7, 6, 5. Identify the mode and justify your answer.
[3 marks]C
Real-world Applications
Answer the following questions based on the space-themed scenarios. Show your reasoning.
1.
Astronomers record the number of stars in different regions as follows: 150, 160, 150, 170, 150, 160. What is the most common number of stars observed, and what does this suggest about the data?
[3 marks]2.
In a study of planetary orbits, the number of planets per star is recorded as: 1, 2, 2, 3, 2, 1. Identify the mode and discuss what it reveals about the most common planetary system size.
[3 marks]D
Challenge & Extension
Answer all questions. Provide detailed explanations where needed.
1.
A space agency records the number of satellites launched each month: 4, 5, 4, 6, 4, 5, 6, 4. Determine the mode and explain how this information can assist future planning.
[4 marks]2.
Given the data: 11, 13, 11, 15, 11, 13, 15, identify the mode(s). If there are multiple modes, state all of them and discuss what this indicates about the dataset.
[4 marks]E
Mixed Review
Attempt all questions to reinforce understanding of the mode.
1.
The number of comets observed over several nights is: 3, 4, 4, 2, 4, 3. Find the mode.
[2 marks]2.
A survey of moon craters shows the number of craters in various regions as: 50, 55, 50, 60, 50, 55, 60. What is the mode, and what does this tell us about crater distribution?
[2 marks]F
Error Analysis
Review the questions and identify any common mistakes made in determining the mode. Explain how to correct these errors.
1.
A student finds the mode of the data set 10, 12, 10, 14, 12, 10 as 12. Identify the mistake and correct it.
[3 marks]2.
In a dataset, the student claims there is no mode because all values are different. Is this correct? Explain.
[3 marks]Unlock Answer Keys & Remix
Worksheets are FREE to download with a free account! Upgrade to PRO for these premium features:
Answer keys for all 1,899+ worksheets
Remix tool — customize any worksheet with AI
AI Generator — create unlimited custom worksheets
Cancel anytime • No commitment • Start today
Quick Actions
What is Remix?
Create a new worksheet based on this one. Change the grade level, topic, number of questions, or difficulty - then generate a fresh version.
- • Change grade level (Grade 6 → Grade 7)
- • Swap topics (Harry Potter → Macbeth)
- • Add more questions (10 → 15)
- • Adjust difficulty
Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet