2 sf: Problem Solving & Reasoning
Mathematics
Grade 6
16 questions
~32 mins
1 views0 downloads
About This Worksheet
A worksheet focused on understanding and applying rounding to 2 significant figures in various contexts, including procedural, problem-solving, and real-world scenarios.
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2 sf: Problem Solving & Reasoning
Subject: MathematicsGrade: Grade 6
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Untitled Worksheet
Grade Grade 6
A
Fluency & Practice
Calculate each number rounded to 2 significant figures. Show your working in the grid spaces provided.
1.
Round 0.004567 to 2 significant figures.
[2 marks]2.
Round 98765 to 2 significant figures.
[2 marks]3.
Round 123.456 to 2 significant figures.
[2 marks]4.
Round 5.6789 to 2 significant figures.
[2 marks]B
Problem Solving & Reasoning
Solve the following multi-step problems involving rounding to 2 significant figures. Show all your working.
1.
A car travels 12345 meters. Round this distance to 2 significant figures. How many meters is this approximately?
[3 marks]2.
A recipe requires 0.00789 liters of vanilla extract. Round this to 2 significant figures. If you need to measure approximately, what value would you use?
[3 marks]3.
The population of a town is 123,456. Using 2 significant figures, estimate the population. Explain your reasoning.
[4 marks]4.
A measurement of 0.00098765 meters is taken. Round to 2 significant figures and explain why.
[4 marks]C
Real-world Applications
Apply your understanding of rounding to 2 significant figures in these practical contexts.
1.
A bottle contains 1.234 liters. Round to 2 significant figures for a measurement label.
[2 marks]2.
A bridge spans 2450 meters. Round this length to 2 significant figures for a summary report.
[2 marks]D
Challenge & Extension
Tackle these advanced problems involving rounding to 2 significant figures. Show detailed solutions.
1.
A scientist records a value of 0.0000123456 grams. Round to 2 significant figures in scientific notation.
[4 marks]2.
Estimate the value of 987654321 rounded to 2 significant figures, then express it in scientific notation.
[4 marks]E
Mixed Review
Answer each question, varying in difficulty and context, to reinforce your understanding of 2 significant figures.
1.
Round 0.00045678 to 2 significant figures.
[2 marks]2.
Express 0.0056789 in scientific notation rounded to 2 significant figures.
[3 marks]F
Error Analysis
Study the following examples of common mistakes when rounding to 2 significant figures. Identify and correct the errors.
1.
A student rounds 0.004567 to 2 sf and writes 0.045. Identify the mistake and provide the correct answer.
[3 marks]2.
A student rounds 98765 to 2 sf and writes 98000. Is this correct? If not, correct it.
[3 marks]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.
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet