Large Numbers: Challenge & Extension
Mathematics
Grade 7
14 questions
~28 mins
1 views0 downloads
About This Worksheet
A worksheet focused on subtracting large numbers with 4 or more digits, designed to challenge and extend students' understanding of subtraction involving large numbers.
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Full preview • 14 questions
Large Numbers: Challenge & Extension
Subject: MathematicsGrade: Grade 7
Name:
Date:
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Untitled Worksheet
Grade Grade 7
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate: 9876 - 5432
[2 marks]2.
Calculate: 12345 - 6789
[2 marks]3.
Calculate: 15000 - 7999
[2 marks]4.
Calculate: 20000 - 12345
[2 marks]5.
Calculate: 999999 - 123456
[2 marks]B
Problem Solving & Reasoning
Solve the following multi-step problems. Show detailed working.
1.
A factory produces 125,678 units in a month. Due to a defect, 4,321 units are defective and discarded. How many units are successfully produced and not defective?
[3 marks]2.
A library has 45678 books. During a stock take, 8,912 books are counted as missing. How many books are currently recorded in the library?
[3 marks]C
Real-world Applications
Apply subtraction to real-world scenarios.
1.
A car dealership sold 14,987 cars last year. In the first quarter, they sold 3,456 cars. How many cars did they sell in the remaining three quarters?
[3 marks]D
Challenge & Extension
Attempt these advanced problems to extend your understanding.
1.
Calculate: 1,234,567 - 987,654
[3 marks]2.
A donation of $2,500,000 is made to a charity. The charity has already spent $1,738,456. How much money is remaining?
[3 marks]E
Mixed Review
Solve these diverse questions to review your skills.
1.
Subtract: 7654321 - 1234567
[2 marks]2.
A company has a total of 3,456,789 units in stock. They ship out 1,987,654 units. How many units are left?
[3 marks]F
Error Analysis
Review the following common mistake and identify the correction needed.
1.
Student's answer: 98765 - 4321 = 94444. Identify and explain the mistake.
[2 marks]2.
A student subtracts 1,234,567 - 987,654 and gets 246,913. Is the answer correct? If not, what is the mistake?
[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