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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 6 - Mathematics
1.15 Properties of Whole Numbers (Multiplication)

Closure Property:
For any two whole numbers a and b, their product a*b is also a whole number.
Example: 10*9 = 90

Commutative Property:
For any two numbers a and b, a*b = b*a.
Example: 9*13 = 13*9 =117

Associative Property:
For any three whole numbers a, b, and c, a*(b*c) = (a*b)*c.
Example: 4*(5*6) = (4*5)*6 = 120

Multiplicative Identity:
For any whole number a, a*1 = 1*a = a. Here 1 is called the multiplicative identity in the set of all whole numbers.
Example: 1*11 = 11.

Distributive Property of Multiplication Over Addition:
For any three whole numbers a, b, and c, a*(b+c) = a*b + a*c.
Example: 3*(5+20) = 3*5 + 3*20 = 75


Directions: Chose the correct answer. Also write at least 5 examples of your own for each property.
Q 1: By multiplying any whole number by ____, we get back the original number.
1
a
2

Q 2: Select an example of the Associative Property of Multiplication.
10*5 = 50
5*(6*7) = (5*6)*7 = 210
10*15 = 15*10 = 150

Q 3: For any whole number a, a*1 = _____=_____?
1*a, a
a*1, 1
None of these

Q 4: a*(b*c) = (a*b)*c
Name the above property.
Commutative Property of Multiplication
Closure Property of Multiplication
Associative Property of Multiplication

Q 5: Select an example of the Commutative Property of Multiplication.
5*(6*7) = (5*6)*7 = 210
10*5 = 50
10*15 = 15*10 = 150

Q 6: Which is the Multiplicative Identity in the set of whole numbers?
0
1
2
a

Q 7: 5*3=15
Name the above property.
Closure Property of Multiplication
Commutative Property of Multiplication
Associative Property of Multiplication

Q 8: 5*6 =6*5
Name the above property.
Commutative Property of Multiplication
Associative Property of Multiplication
Closure Property of Multiplication

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Question 10: This question is available to subscribers only!


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