Instructions
1. Read each problem carefully and write your answer in the space provided.2. Show your work if needed, but write your final answer in the space provided.
3. Have fun and be careful with your signs (+ and -)!
Warm-Up: Adding and Subtracting Integers
1. 15 + (-7) = _______2. -23 + 45 = _______
3. -10 - 5 = _______
4. 9 - 17 = _______
5. -3 + (-8) = _______
Word Problems
6. A plane flies at an altitude of 2,500 meters. It descends 1,200 meters to land. What is its new altitude?7. Sam has $12 in his savings account. He spends $8 on a toy and his grandma sends him $15. How much money does Sam have now?
8. The temperature starts at -5°C. By noon, it rises by 10°C. What is the new temperature?
Challenging Problems
9. (-35) + (-42) + 20 = _______10. 67 - (-23) = _______
11. (-90) - 45 = _______
Real-World Applications
12. A bank account balance is -$150 after bills are paid. If a direct deposit of $200 is made, what is the new balance?13. You are playing a video game where you start with 100 points. If you lose 50 points in one round and gain 75 points in the next, what is your total score?
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Fun with Math
14. If apples are $2 per pound and bananas are -$1 per pound (they're paying you to take them), how much will you pay or receive if you buy 3 pounds of apples and take 2 pounds of bananas?< textarea class="short-response">
15. Quick Think: I add two negative numbers and get a positive. Am I adding or subtracting? Why?
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