Precision Work: Challenge & Extension
Mathematics
Grade 8
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on rounding numbers to two decimal places, including procedural practice, real-world contexts, and extension challenges to deepen understanding of precision work.
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Full preview • 11 questions
Precision Work: Challenge & Extension
Subject: MathematicsGrade: Grade 8
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Date:
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Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Round 3.141592 to 2 decimal places.
[1 mark]2.
Round 0.56789 to 2 decimal places.
[1 mark]3.
A recipe requires 2.71828 liters of milk. Round this measurement to 2 decimal places for labeling.
[2 marks]4.
Calculate the sum of 1.2345 and 2.3456, then round the result to 2 decimal places.
[2 marks]5.
A store sells items costing $12.987, $7.456, and $3.789. Round each to 2 decimal places and find the total cost.
[3 marks]6.
Construct a triangle with side lengths 4.567, 5.678, and 6.789, each rounded to 2 decimal places. Record the rounded lengths.
[2 marks]7.
Plot the graph of y=2x for x=0, 1, 2, 3, 4, 5. Round the y-values to 2 decimal places.
[2 marks]8.
A budget estimate is $1234.5678. Round to 2 decimal places for reporting.
[1 mark]9.
Identify and correct the mistake: Rounding 7.89123 to 2 decimal places gives 7.89.
[2 marks]10.
A scientist measures a substance as 0.123456 grams. For reporting purposes, round to 2 decimal places.
[1 mark]11.
Challenge: The length of a river segment is estimated to be 123.456789 km. Round to 2 decimal places, then estimate the error introduced if the actual length differs by 0.005 km.
[4 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet