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Proficiency Exam

Module by: Wade Ellis, Denny Burzynski. E-mail the authorsEdited By: Math Editors

Summary: This module is from Fundamentals of Mathematics by Denny Burzynski and Wade Ellis, Jr. This module is a proficiency exam to the chapter "Multiplication and Division of Whole Numbers." Each problem is accompanied with a reference link pointing back to the module that discusses the type of problem demonstrated in the question. The problems in this exam are accompanied by solutions.

Proficiency Exam

Exercise 1

((Reference)) In the multiplication of 8×7=568×7=56 size 12{8 times 7="56"} {}, what are the names given to the 8 and 7 and the 56?

Solution

8 and 7 are factors; 56 is the product

Exercise 2

((Reference)) Multiplication is a description of what repeated process?

Solution

Addition

Exercise 3

((Reference)) In the division 12÷3=412÷3=4 size 12{"12" div 3=4} {}, what are the names given to the 3 and the 4?

Solution

3 is the divisor; 4 is the quotient

Exercise 4

((Reference)) Name the digits that a number must end in to be divisible by 2.

Solution

0, 2, 4, 6, or 8

Exercise 5

((Reference)) Name the property of multiplication that states that the order of the factors in a multiplication can be changed without changing the product.

Solution

commutative

Exercise 6

((Reference)) Which number is called the multiplicative identity?

Solution

1

For problems 7-17, find the product or quotient.

Exercise 7

((Reference)) 14×614×6 size 12{"14" times 6} {}

Solution

84

Exercise 8

((Reference)) 37×037×0 size 12{"37" times 0} {}

Solution

0

Exercise 9

((Reference)) 352×1000352×1000 size 12{"352" times "1000"} {}

Solution

352,000

Exercise 10

((Reference)) 5986×705986×70 size 12{"5986" times "70"} {}

Solution

419,020

Exercise 11

((Reference)) 12×1212×12 size 12{"12" times "12"} {}

Solution

252

Exercise 12

((Reference)) 856÷0856÷0 size 12{"856" div 0} {}

Solution

not defined

Exercise 13

((Reference)) 0÷80÷8 size 12{0 div 8} {}

Solution

0

Exercise 14

((Reference)) 136÷8136÷8 size 12{"136" div 8} {}

Solution

17

Exercise 15

((Reference)) 432÷24432÷24 size 12{"432" div "24"} {}

Solution

18

Exercise 16

((Reference)) 5286÷375286÷37 size 12{"5286" div "37"} {}

Solution

142 remainder 32

Exercise 17

((Reference)) 211×1211×1 size 12{"211" times 1} {}

Solution

211

For problems 18-20, use the numbers 216, 1,005, and 640.

Exercise 18

((Reference)) Which numbers are divisible by 3?

Solution

216; 1,005

Exercise 19

((Reference)) Which number is divisible by 4?

Solution

216; 640

Exercise 20

((Reference)) Which number(s) is divisible by 5?

Solution

1,005; 640

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Definition of a lens

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A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organizations and people you trust.

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