Calculator Answers: Challenge & Extension
Mathematics
Year 9
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet designed to challenge Year 9 students on calculating and rounding answers to 2 decimal places using calculator results. Includes procedural, problem-solving, real-world, and extension questions.
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Calculator Answers: Challenge & Extension
Subject: MathematicsGrade: Year 9
Name:
Date:
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Untitled Worksheet
Grade Year 9
A
Fluency & Practice
Calculate each expression using your calculator. Round your answer to 2 decimal places.
1.
Calculate 123.4567 ÷ 3.789 and round the result to 2 decimal places.
[2 marks]2.
Find the value of 567.89 × 0.1234. Round to 2 decimal places.
[2 marks]3.
Compute 987.65 - 123.45. Round your answer to 2 decimal places.
[2 marks]B
Problem Solving & Reasoning
Perform the calculations and explain how to round your final answer to 2 decimal places.
1.
A car travels 1234.567 km in 56.789 hours. Calculate the average speed in km/h, rounded to 2 decimal places.
[3 marks]2.
A restaurant bill totals £78.456. If the tip is 15%, what is the total amount, rounded to 2 decimal places?
[3 marks]C
Real-world Applications
Use calculator results, round to 2 decimal places, and explain the context.
1.
A shop sells 245.678 grams of rice at £2.345 per 100 grams. Calculate the total cost, rounded to 2 decimal places.
[3 marks]2.
A workout burns 345.678 kcal in 45.678 minutes. Find the calories burned per minute, rounded to 2 decimal places.
[3 marks]D
Challenge & Extension
Solve these advanced problems involving calculator answers and rounding to 2 decimal places.
1.
Calculate (987.654 × 123.456) ÷ 56.789 and round to 2 decimal places.
[4 marks]2.
A financial model outputs a value of 456.789123. Round this to 2 decimal places for reporting.
[2 marks]E
Mixed Review & Error Analysis
Complete the questions and identify common mistakes in rounding or calculation.
1.
Calculate 45.6789 ÷ 1.2345 and round to 2 decimal places. (Incorrect answer: 37.00). What mistake might have caused this?
[2 marks]2.
A student calculates 789.4567 + 123.4567 = 912.9134 but reports 912.91. Identify the rounding error.
[2 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