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Adding Integers Quiz

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Adding Integers Quiz worksheet preview

Adding Integers Quiz

Integer number line illustration

📚 Part 1: Multiple Choice

Instructions: Circle the letter of the correct answer for each question.

1. What is (-8) + (+3)?

A) -5

B) +5

C) -11

D) +11

2. What is (+7) + (-12)?

A) +19

B) -19

C) +5

D) -5

3. What is (-15) + (-6)?

A) +21

B) -21

C) +9

D) -9

4. What is (+9) + (+4)?

A) +13

B) -13

C) +5

D) -5

5. Which expression equals zero?

A) (+8) + (+8)

B) (-5) + (+5)

C) (-3) + (-3)

D) (+10) + (+2)

6. What is (-20) + (+14) + (-3)?

A) +37

B) -37

C) +9

D) -9

✏️ Part 2: Short Answer

Instructions: Solve each problem and show your work in the space provided.

7. Calculate: (+25) + (-18) = ________
8. Calculate: (-13) + (-27) = ________
9. The temperature was -8°F in the morning. By noon, it had risen 15°F. What was the temperature at noon?
10. Explain in your own words: When you add two negative integers, what happens to the sign of the answer? Give an example.

🔑 Answer Key

Part 1 - Multiple Choice:

1. A) -5

2. D) -5

3. B) -21

4. A) +13

5. B) (-5) + (+5)

6. D) -9

Part 2 - Short Answer:

7. +7

8. -40

9. +7°F (Work: -8 + 15 = +7)

10. Sample answer: When you add two negative integers, the answer is always negative. You add the absolute values and keep the negative sign. Example: (-4) + (-6) = -10

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