Fun Addition and Subtraction Worksheet for 12-Year-Olds - Improve Math Skills

Free worksheet covering Math for age 12 students. Created with Learning Corner's AI-powered tools.

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Instructions

Complete the following addition and subtraction problems. Show your work for each problem where indicated.

Addition Problems

1. 253 + 467 = 2. 1,245 + 679 = 3. 3,500 + 2,135 = 4. What is the sum of 482 and 316?

Subtraction Problems

5. 890 - 456 = 6. 1,230 - 578 = 7. 4,205 - 1,889 = 8. If you have 650 apples and you give away 275, how many apples do you have left?

Word Problems

9. Sarah has 150 marbles. She buys 75 more and then gives away 40. How many marbles does Sarah have now? 10. A book costs $12. If you buy 3 books and pay with a $50 bill, how much change should you receive?
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