Lengths: Challenge & Extension
Mathematics
Year 9
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A challenging worksheet on adding decimal lengths, designed to develop procedural fluency, problem-solving skills, and application in real-world contexts for Year 9 students.
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Full preview • 11 questions
Lengths: Challenge & Extension
Subject: MathematicsGrade: Year 9
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Untitled Worksheet
Grade Year 9
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the total length when adding 4.7 m and 3.6 m.
[2 marks]2.
Add the lengths 2.45 m, 1.3 m, and 0.7 m. Provide your answer rounded to 1 decimal place.
[3 marks]3.
If a rope is 5.8 m long and another is 2.45 m long, what is the total length?
[2 marks]4.
Construct a line segment on the grid that measures exactly 6.3 m.
[3 marks]5.
A garden bed is 3.75 m long. If you extend it by 1.2 m, what is the new length?
[2 marks]6.
Problem Solving: A carpenter cuts two pieces of wood, 2.55 m and 4.1 m long. He joins them end to end. What is the total length? Show your working.
[4 marks]7.
A swimming pool is 12.5 m long. A deck extends along one side, measuring 3.4 m. How long is the remaining section of the pool?
[3 marks]8.
Add 7.65 m and 3.27 m. Provide your answer rounded to 1 decimal place.
[2 marks]9.
Challenge: Two lengths are 8.2 m and 5.75 m. Find their sum and explain one common mistake students might make when adding these decimals.
[4 marks]10.
Mixed Review: Add 9.8 m, 2.4 m, and 1.5 m. Show your working.
[3 marks]11.
Error Analysis: A student added 4.3 m and 3.7 m and wrote down 7.0 m. Identify the mistake and correct the answer.
[3 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet