Precision: Challenge & Extension
Mathematics
Grade 6
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A challenging worksheet focusing on the concept of precision in adding decimals to 2 decimal places, designed for extension and deeper understanding.
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Full preview • 11 questions
Precision: Challenge & Extension
Subject: MathematicsGrade: Grade 6
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Untitled Worksheet
Grade Grade 6
A
Practice Questions
Answer all questions carefully. Show your working in the grid spaces provided.
1.
Calculate the sum: 12.345 + 7.89 with proper decimal precision.
[2 marks]2.
Add the following decimals: 3.456 + 2.78 + 1.234, ensuring all sums are rounded to 2 decimal places.
[3 marks]3.
If a recipe calls for 0.75 kg of sugar and you add 1.25 kg, what is the total weight of sugar used? Round your answer to 2 decimal places.
[3 marks]4.
Construct a line segment on the grid that measures exactly 4.56 units in length using the grid lines.
[2 marks]5.
A store sells 3.789 kg of apples and 2.456 kg of oranges. Find the total weight, rounded to 2 decimal places.
[2 marks]6.
A swimmer completes a 50.123 km swim, but due to a miscalculation, they recorded only 49.87 km. What is the error margin? Round to 2 decimal places.
[2 marks]7.
Add 9.99 and 5.555, then round the result to 2 decimal places.
[2 marks]8.
Identify the mistake in this calculation: 4.56 + 3.44 = 8.00. Explain and correct it.
[3 marks]9.
Solve 7.89 + 2.345 + 1.234, providing the answer rounded to 2 decimal places.
[3 marks]10.
A technician measures the length of a cable as 12.3456 meters. Due to measurement error, the actual length could be between 12.34 m and 12.35 m. What is the maximum possible error?
[3 marks]11.
Challenge: Add 123.4567 and 89.1234, then round to 2 decimal places. Explain the importance of precision in your answer.
[4 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet