Math 8 Assignment – Unit 2 - Integers
Name: ________________________
Due date: ___________
Total
No Calculators are permitted for this unit!
Section A:
Place the letter of the best choice in the space at the left.
____1. Evaluate:
[10 points]
(+8) x (-5)
A. -13
B. -40
C. 40
D. 13
____2. Which product has a value of +36?
A.
(-3) x (+12)
B.
(+6) x (-6)
C.
(-6) x (-6)
D.
(+12) x (-3)
____3. What is (-24) ÷ (-3)?
A. -72
B. -8
C. +8
D. +72
____4. What is the missing integer in (-7) x ___ = (+56)
A. -8
B. -6
C. +6
D. +8
C. (-14) x (+65)
D. (+9) x (-89)
C. (-8) x (-8)
D. (+20) x (-4)
____5. Which product results in a positive answer?
A. 46 x (-2)
B. (-9) x (-11)
____6. Which has the greatest product?
A. (-9) x (+8)
B. (+5) x (+12)
____7. Which diagram represents (-6) ÷ (+2) = (-3)
[shaded are negative and not shaded are positive]
____8. Which statement is FALSE?
A.
A positive divided by a negative is a negative.
B.
A negative divided by a negative is a negative.
C.
A negative divided by a positive is a negative.
D.
A positive times a negative is a negative.
___9. The temperature in Iqaluit dropped 4 degrees each day. The total drop was 24 degrees. Which
equation can be used to represent finding the number of days the temperature was dropping?
A.
(+24) ÷ (-4)
B.
(+24) ÷ (+4)
C.
(-24) ÷ (-4)
D.
(-24) ÷ (+4)
/50
_____10. Which situation could be represented by the multiplication problem   15    3 ?
A.
B.
C.
D.
Michael gave away $15 to each of his three friends.
Michael received $15 from each of his three friends.
Michael gave away a total of $15 to his friends.
Michael received a total of $15 from each of his three friends.
______11. Which operation must be performed first?
A.
B.
C.
D.
Section B:
(+4) x (-1)
(-1) - (+7)
(+7) +(-6)
(-6)  (+2)
Place the answer for each item in the space provided. Show all workings.
1.
Model each using the method of your choice and find the solution.
A.
(+4) x (-3)
B.
(-5) x (-2)
C.
(+18) ÷ (+6)
D.
(-8) ÷ (+4)
2.
Complete the following using your rules.
A.
(-5) x (-11) =
B.
(-10) x (+12) =
C.
________
[12 points]
[10 points]
F.
(-80) ÷ (-20) = ________
G.
(+54) ÷ (+9) =________
(+63) ÷ (-7) = ________
H.
(+5) x (+4) =
D.
(-48) ÷ (+6) =
________
I.
(+12) x (-12) = ________
E.
(+6) + (-14) =
________
J.
(-12) – (-8) =
________
________
________
3.
Use the area model to calculate:
4.
Use order of operations to solve each of the following.
A.
5.
(-23) x (+34)
[3 points]
[6 points]
B.
A student made an error when calculating the answer to this question. Explain where the student
made the error, then solve the question correctly.
[3 points]
(-4) + (-3) x (-2)
= (-7) x (-2)
= +14
6.
Brandon lost 4 points in each hand of cards he played. He played 3 hands of cards. Write this problems as
multiplication expression using integers and solve the problem.
[2 points]
7.
The product of two integers is -48 and the quotient of the same two integers is -3. What are the two
integers? Explain how you know.
[3 points]