Whole Numbers: Challenge & Extension
Mathematics
Grade 8
12 questions
~24 mins
1 views0 downloads
About This Worksheet
A challenge and extension worksheet focusing on rounding whole numbers to the nearest 10, designed for Grade 8 students to deepen procedural skills and application.
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Full preview • 12 questions
Whole Numbers: Challenge & Extension
Subject: MathematicsGrade: Grade 8
Name:
Date:
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Untitled Worksheet
Grade Grade 8
A
Fluency & Practice
Answer all questions. Show your working in the grid spaces provided.
1.
Round 67 to the nearest 10.
[1 mark]2.
Round 124 to the nearest 10.
[1 mark]3.
Round 58 to the nearest 10.
[1 mark]4.
Round 95 to the nearest 10.
[1 mark]B
Problem Solving & Reasoning
Solve the following multi-step problems and explain your reasoning clearly.
1.
Sara has 146 marbles. She wants to pack them into boxes holding 10 marbles each. How many full boxes can she fill? Explain your method.
[3 marks]2.
A car travels 237 km in the first leg of its trip. Round this distance to the nearest 10. Then, estimate the total distance if the trip is approximately three times this distance. Show your calculations.
[3 marks]C
Real-world Applications
Apply rounding to solve real-world problems.
1.
A bookstore sells 189 books in a week. Rounding this number to the nearest 10, estimate how many books were sold. How might this estimate be useful for planning stock?
[2 marks]D
Challenge & Extension
Attempt these more difficult questions to deepen your understanding.
1.
Construct a number between 135 and 145 that rounds to 140 when rounded to the nearest 10. Explain your choice.
[2 marks]2.
A statistic shows a population of 1,238,560. Round this number to the nearest 10,000. Show your working.
[3 marks]E
Mixed Review
Answer questions of various types to review your skills.
1.
Round 832 to the nearest 10.
[1 mark]2.
Identify and correct the mistake: Rounding 149 to the nearest 10 gives 140.
[2 marks]F
Error Analysis
Review the following common mistake and correct it.
1.
A student rounds 64 to 70, claiming they round up because 4 is closer to 10 than to 0. Explain the mistake and provide the correct rounded number.
[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.
- • 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