Integer Hand In assignment
Name/Class_______________________
Value: _______
1. Answer each addition and subtraction question.
a) (+6) + (-4) =
b) (-10) + (-3) =
c) (-8) + (+5) =
d) (+7) + (+6) =
e) (-9) – (+2) =
f) (+10) – (-4) =
g) (+11) – (+15) =
h) (-9) – (-6) =
2. Fill in the missing number to complete each number sentence.
a) (-2 ) + (____) = (+10)
b) (+3) + (____) = (-14)
c) (-9) – (____) = (-12)
d) (_____) – (+4) = (+7)
3. Write 3 possible number sentences for each integer.
a) (_____) + (_____) = (-6)
b) (_____) – (_____) = (-9)
(_____) + (_____) = (-6)
(_____) – (_____) = (-9)
(_____) + (_____) = (-6)
(_____) – (_____) = (-9)
4. Is (-3) + (+5) + (-2) positive or negative? Explain how you know.
5. How can you tell by looking at two integers if their sum is positive,
negative or zero? Use examples to help explain your answer.
6. a) Identify two integers that have a sum of +16 and differences of
-8 and +8.
b) Identify two integers that have a sum of +3 and differences of
+15 and -15.
7. Ms. Gerardy owes Mr. Bannatyne, Mrs. MacAulay and Ms. Bergunder
money. She owes a total of sixty dollars and she owes each person
the same amount of money. Using integers, show how much money
Ms. Gerardy owes each teacher.
8. One afternoon, the temperature in Winnipeg was +9oC. The
temperature then dropped by 10oC to reach the overnight low
temperature. What was the overnight low temperature?
9. Using only these integers (-2, +3, -10, +12, -6):
a) What is the largest sum you could make if you combined any two?
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b) What is the smallest sum you could make if you combined any two?
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c) What is the largest difference you could make if you combined any
two?
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d) What is the smallest difference you could make if you combined
any two?
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10. “Imaginary Bob” wrote a quiz and stated that (-3) - (-2) = -5. Explain
his error and show the correct answer.
11. “Imaginary Bob” also says that (+5) + (-6) - (-10) = (-11).
Is Bob correct? Explain why or why not!
12. Complete the magic square so all the rows, columns, and diagonals have
the same sum.