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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

MEAP Preparation - Grade 7 Mathematics
1.137 Properties of Multiplication in Integers

Property I: For any two integers a,b their product axb is also a integer.
Examples:
2x(-3) = -6
(-3)x(-2) = 6

Property II: For any three integers a, b, and c, ax(bxc) = (axb)xc.
Example:
(-4)x[(-3)x5] = [(-4)x(-3)]x5 = 60

Property III: For any two integers a and b, axb = bxa.
Example:
2x(-3) =3(-2) = -6

Property IV: For any integer a; ax0 = 0xa = 0.
Examples:
6x0 = 0
(-7)x0 = 0

Property V: For any integer a; ax1 = 1xa = a.
Examples:
1x7 = 7
1x(-8) = -8

Property VI: For any three integers a, b, and c; ax(b+c) = (axb)+(axc).
Example: 2x[3+(-2)] = (2x3)+[2x(-2)] = 2


Directions: Solve the following multiplication problems. Also write at least five examples of your own for each property.
Q 1: For any two integers a and b, their product axb will always be ___________.
a negative integer
an integer
a positive integer

Q 2: 5x[(-6)x5] = ?
150
-150

Q 3: 50x0=______?
50
0

Q 4: 5x[(-8)+2)=_________?
-30
50

Q 5: For any integer a; ax1 = 1xa = _____?
1
a
a+1

Q 6: For any integer a; ax0 = 0xa = ________?
1
0
a

Q 7: 70x(-1)=____?
-70
70

Q 8: (-5)x(6x3) = ?
-90
90

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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