8th Grade Integer Addition and Subtraction Math Quiz

15 Word Problems
Collect 15 Points

Peter climbed 12 meters up a hill, then descended 7 meters. How far is Peter from his starting point?

Sarah earned 20 points in a game but lost 35 points later. What is her total score?

David had $30. He borrowed $50 more. What is his current financial position?

Sarah deposited $100 into her account but withdrew $150 later. What is her current account balance?

The elevation of a valley is -250 meters. A hiker climbs 300 meters upward. What is the new elevation?

A bird flies 15 meters upward, then descends 20 meters. What is its position relative to its starting point?

At sunrise, the temperature was -6°C. By midday, it dropped another 10°C. What is the temperature now?

A submarine was at -30 meters below sea level. It ascended 15 meters. What is its new depth?

A submarine was at -500 meters and ascended 250 meters. What is its final depth?

The elevation of a hill is 400 meters. A landslide decreased the elevation by 150 meters. What is the new elevation?

The morning temperature was 3°C, and it fell by 12°C by evening. What is the temperature in the evening?

A scuba diver started at -10 meters, descended another 15 meters, then ascended 5 meters. What is their final depth?

Tom dug a hole 8 meters deep. He then filled 3 meters of it back. What is the depth of the hole now?

A hiker started at 40 meters above sea level, descended 60 meters, and then climbed 20 meters. What is the hiker's final elevation?

A stock price dropped by $5, then increased by $8. What is the net change?


 

Integer Addition and Subtraction Worksheets

Download Worksheets

Are you ready to tackle math in a way that actually feels useful? Our Integer Addition and Subtraction (Mixed Operation) Math Quiz is designed for 8th graders who want to make sense of integers while solving real-world problems. With 15 carefully crafted word problems, this quiz connects math to everyday scenarios, like figuring out temperature changes, balancing money, or tracking elevations.

Instead of just crunching numbers, this quiz helps you think critically and build confidence in your math skills. You’ll practice adding and subtracting integers while learning to visualize problems on a number line and break them down step by step. And don’t worry—these aren’t boring textbook examples.

Frequently Asked Questions (FAQs)

Why is integer addition and subtraction important?

Integer addition and subtraction are important because they’re foundational skills for higher math, like algebra and calculus, and they’re used in real life too. From calculating temperature changes to managing finances or tracking elevations, understanding how to work with positive and negative numbers helps us solve problems in practical, everyday situations.

What are some tips for practicing integer addition and subtraction?

Start with simple problems to get the hang of the rules. Use a number line to visualize movement—moving right for positive numbers and left for negative ones. As you improve, challenge yourself with word problems that connect math to real-life scenarios. And always double-check your work to spot mistakes.

How can integer addition and subtraction quizzes help students?

These quizzes help students strengthen their math fundamentals by teaching them to work confidently with positive and negative numbers. They also improve problem-solving skills, critical thinking, and attention to detail. Plus, interactive quizzes make practice more fun and less intimidating.

What’s the difference between adding and subtracting integers?

When adding integers, the signs determine whether you add or subtract the values. Subtraction is slightly trickier because it involves changing the subtraction sign to addition and flipping the sign of the second number. For example, subtracting -3 is the same as adding +3.

Can you explain integer addition and subtraction with a number line?

A number line is a great visual tool. When adding a positive number, move to the right on the number line. For adding a negative number, move left. For subtraction, flip the sign of the second number and follow the same rule—right for positive, left for negative.

How can I solve integer addition and subtraction problems easily?

The key to solving integer problems is understanding the rules for adding and subtracting positive and negative numbers. For addition, if the signs are the same, you add the numbers and keep the sign. If the signs are different, subtract the smaller number from the larger one and take the sign of the larger number. For subtraction, remember that subtracting a negative is the same as adding the positive equivalent. Practice is the best way to get comfortable with these rules!

Other Math Practices