Book 3: 2-04 - "Basic Arithmetic Operation" Flashcards

1
Q

With fractions if the numerator is less than the denominator the fraction is a/an _____ fraction.
Select one:

A. Uncommon

B. Decimal

C. Improper

D. Mixed number

E. Common

A

E. Common

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2
Q

15% of what number is 12?
Select one:

A. 8

B. 12

C. 15

D. 800

E. 80

A

E. 80

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3
Q

Subtract 0.7854 from 3.1416
Select one:

A. 2.3562

B. 3.1335

C. -2.3562

D. 4.9584

E. -3.1335

A

A. 2.3562

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4
Q

To change a decimal fraction to a common fraction, write the nonzero portion of the decimal fraction as the _____ and write as the denominator, a one (1) with a zero for every digit, or place, after the decimal.
Select one:

A. Numerator

B. Multiplier

C. Product

D. Denominator

E. Quotient

A

A. Numerator

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5
Q

In the statement 3 + 4 = 7, 3 and 4 are called:
Select one:

A. Divisors

B. Dividends

C. Addends

D. Sums

E. Multiplicands

A

C. Addends

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6
Q

Simplify the following (42 + 6) x 9 - 32 + 16 ÷ 4 - 8.
Select one:

A. 416

B. 60

C. 324

D. 396

E. 92

A

D. 396

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7
Q

Addition is basically a system of:
Select one:

A. Dividing

B. Counting

C. Subtracting

D. Adding

E. Multiplying

A

B. Counting

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8
Q

A decimal fraction is a fraction which has 10 or a power of 10 as a:
Select one:

A. Denominator

B. Index

C. Multiplier

D. Common

E. Numerator

A

A. Denominator

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9
Q

The best method of decimal number division by the beginner is to move the decimal point in both the divisor and dividend so that the divisor becomes a/an:
Select one:

A. Fraction

B. Divisor

C. Quotient

D. Whole number

E. Dividend

A

D. Whole number

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10
Q

Subtract the following fractions 1/2 minus 1/3
Select one:

A. 1

B. 1/2

C. 1/3

D. 1/6

E. 1/4

A

D. 1/6

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11
Q

Multiplying the numerator or dividing the denominator of a fraction by a number:
Select one:

A. Adds that number to the fraction

B. Does not change the value of the fraction

C. Divides the fraction by that number

D. Subtracts that number to the fraction

E. Multiplies the fraction by that number

A

E. Multiplies the fraction by that number

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12
Q

In division the answer is called the:
Select one:

A. Quotient

B. Dividend

C. Factor

D. Divisor

E. Index

A

A. Quotient

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13
Q

Before adding or subtracting fractions, they must be brought to the same:
Select one:

A. Index

B. Multiplier

C. Numerator

D. Denominator

E. Quotient

A

D. Denominator

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14
Q

A ratio is the number of times that one number is _____ another number.
Select one:

A. Subtracted from

B. Divided by

C. Multiplied by

D. Contained in

E. Add to

A

D. Contained in

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15
Q

Multiplying or dividing both numerator and denominator of a fraction by the same number:
Select one:

A. Multiplies the fraction by that number

B. Subtracts that number to the fraction

C. Adds that number to the fraction

D. Divides the fraction by that number

E. Does not change the value of the fraction

A

E. Does not change the value of the fraction

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16
Q

Calculate the original length of a spring that is 15 cm long when stretched is by 25% of its original length.
Select one:

A. 14 cm

B. 3 cm

C. 12 cm

D. 15 cm

E. 10 cm

A

C. 12 cm

17
Q

Calculate the final length of a spring 12 cm long that when stretched is increased in length by 25%.
Select one:

A. 15 cm

B. 3 cm

C. 18 cm

D. 16 cm

E. 18 cm

A

A. 15 cm

18
Q

In multiplication the number by which it is multiplied is called the:
Select one:

A. Multiplicand

B. Addend

C. Multiplier

D. Product

E. Factor

A

C. Multiplier

19
Q

The order of operations follows which of the following patterns?
Select one:

A. Brackets, Exponents, Division, Multiplication, Addition, Subtraction

B. Multiplication, Addition, Subtraction, Brackets, Exponents, Division

C. Addition, Subtraction, Brackets, Exponents, Division, Multiplication

D. Division, Multiplication, Addition, Subtraction, Brackets, Exponents

E. Exponents, Division, Multiplication, Addition, Subtraction, Brackets

A

A. Brackets, Exponents, Division, Multiplication, Addition, Subtraction

20
Q

A percentage can be changed to a fraction by:
Select one:

A. Dividing by 100

B. Multiplying by 100

C. Multiplying by 10

D. Adding 100

E. Dividing by 10

A

A. Dividing by 100