Deck 3: Decimals

Question 1

A decimal point separates the whole number part from the decimal part.

Answer 1

True

Question 2

In the number 6,327.4892 the 8 is in the tenths position.

Answer 2

False

Question 3

After multiplying decimals, count the total number of decimal digits to the right of the decimal points in the factors to determine the placement of the decimal point in the product.

Answer 3

True

Question 4

The ten thousandths position is to the immediate right of the hundredths position.

Question 5

The addition and subtraction of decimals is very similar to:

A) adding whole numbers only
B) adding and subtracting fractions
C) adding and subtracting whole numbers
D) adding fractions only

Question 6

The hundredths position is to the right of the tenths position.

Question 7

The monetary system of the United States is based on:

A) whole numbers
B) Roman numerals
C) fractions
D) decimals

Question 8

When rounding to a specified decimal place:

A) if the digit is 5 or more, add 1 to the digit in the specified place, and eliminate all digits to the right
B) find the digit in the specified place, then look at the next digit to the right
C) all of these
D) if the digit is less than 5, eliminate it and all digits to the right

Question 9

Rounding can be used to approximate a decimal number.

Question 10

The value of a decimal, like a whole number, is based on the:

A) monetary system
B) digit system
C) place-value system
D) metric system

Question 11

A whole number is understood to have a decimal point at the:

A) left
B) beginning
C) end
D) interval

Question 12

If no decimal point appears in the addend, it is understood to be at the right end of the addend.

Question 13

Write the word name for the decimal 3.6:
I. three and six tenths
II. three point six
III. 36 hundredths

A) either I or II
B) III only
C) I only
D) II only

Question 14

7.5 divided by 0.25 and 750 divided by 25 both equal 30.

Question 15

The number 7.1034 changed into a mixed number is $7 \frac{1034}{10,000}$ .

Question 16

The position of a digit in a decimal determines its:

A) place
B) size
C) location
D) value

Question 17

When dividing by a decimal, you should first change the divisor into a:

A) mixed number
B) proper fraction
C) whole number
D) improper fraction

Question 18

Commas separate every three digits from the left to the right of the decimal.

Question 19

$6.28 written as a fraction is $\frac { 628 } {- 1000 }$

Question 20

When multiplying decimals, it is important to keep track of the number o? numbers being multiplied:

A) fractions
B) all of these
C) products
D) decimal places

Question 21

The first step in rounding is to identify the place value to be rounded.

Question 22

Unit price is:
I. another term for unit cost
II. the price for 1 unit of a product
III. another term for the least common denominator

A) II only
B) I only
C) III only
D) both I and II

Question 23

Rounding can be used to approximate a (an):

A) all of these
B) integer
C) decimal number
D) whole number

Question 24

James Company reported a quarterly income before tax of negative seven million, five hundred dollars and nineteen cents. Write the digits of the reported gross margin.

A) $7,000,519.00
B) -$7519.00
C) -$7,000,500.19
D) -$7500.19

Question 25

Estimating the answer before calculating the exact answer is beneficial in some situations.

Question 26

How much money is saved at a $57.58 discount price rather than a $90.01 list price?

A) $33.43
B) $33.53
C) $32.43
D) $32.53

Question 27

John earns $10.65 / hour. If he works 16 hours, how much will he earn?

A) $171.50
B) $170.41
C) $170.40
D) $170.50

Question 28

If the digit to the right of the number that you are rounding is 5 or less round the digit up.

Question 29

Decimals, like fractions, offer a way of writing amounts that are more than one.

Question 30

The value of a digit is based solely upon how large it is in relation to the other numbers.

Question 31

Adding zeros to the right end of a decimal:

A) increases the value by 100
B) is the result of multiplication
C) increases the value by 10
D) does not change the value

Question 32

It is not necessary to align the decimals when you add.

Question 33

To write a fraction as a decimal:

A) divide the numerator by the denominator
B) multiply the reciprocal by the fraction
C) divide the numerator by the quotient
D) divide the quotient by the numerator

Question 34

The pharmacist mixed 8.87 grams of one drug with 2.069 grams of another drug. What was the weight of the mixture?

A) 10.939 g
B) 4.138 g
C) 17.74 g
D) 12.039 g

Question 35

When making estimates, you should round:

A) the numbers of the problem before calculations are made
B) only when using whole numbers
C) only when using decimals
D) only the result of the final calculation

Question 36

When making a series of calculations, you should round:

A) only the result of the final calculation
B) only when using whole numbers
C) only when using decimals
D) round after each calculation in the series

Question 37

In the number 1.732, the 3 occupies the hundredths position.

Question 38

When converting decimals to fractions, the denominator:
I. is found by writing 1 followed by as many zeros as there are places to the right of the decimal point
II. is the same as the numerator

A) II only
B) neither I or II
C) both I and II
D) I only

Question 39

When 3.72 is multiplied by 76.1, the product will contain 4 digits to the right of the decimal.

Question 40

Last week Fred found roundtrip airfare to Dublin, Ireland for six hundred dollars and sixteen cents. Write the digits of the cost of airfare.

A) $616.00
B) $60.16
C) $0.616
D) $600.16

Question 41

Evelyn measured two rooms of her apartment and found that she needed 81.2 square meters of wallpaper for one room and 89.9 square meters for the other. How much wallpaper did she need?

A) 181.1 m²
B) 171.2 m²
C) 342.2 m²
D) 171.1 m²

Question 42

Scrambled Electronics will finance a $247 TV set for $50 down and $34.84 a month for 6 months. How much money can you save by paying cash for the TV set?

A) $87.96
B) $259.04
C) $12.04
D) $37.96

Question 43

Write the number that represents the decimal

-two and eleven thousandth

A) 2.0011
B) 211
C) 2.011
D) 2.11

Question 44

June has a strip of paper 39.6 inches long. She wants to cut it into strips that are 6.6 inches long. How many 6.6-inch strips will she get from the paper?

A) 6 pieces
B) 60 pieces
C) 7 pieces
D) 5 pieces

Question 45

Write the number that represents the decimal

-two hundred twelve thousandth

A) 200.012
B) 2120
C) 200.0012
D) 0.212

Question 46

The distance from John's house to Ted's is 0.5 mile. Write the distance in words.

A) five tenths of a mile
B) five ten-thousandths of a mile
C) five thousandths of a mile
D) five hundredths of a mile

Question 47

Jennifer has $611.53 in her savings account. If she withdraws $85.18, what is the new balance in her account?

A) $696.53
B) $526.53
C) $696.71
D) $526.35

Question 48

575.49 ÷ 0.003(Round to the nearest thousandths when necessary.)

A) 19,183.05
B) 19,183
C) 191,830.5
D) 191,830

Question 49

Round the amount to the nearest cent

-$7.0184

A) $7.12
B) $7.018
C) $7.02
D) $7.01

Question 50

Round the amount to the nearest dollar

-$5726.54

A) $5726
B) $5727
C) $5726.5
D) $5726.54

Question 51

It took three assembly-line workers 6.48 seconds, 7.072 seconds, and 9.6 seconds to assemble a product. How many seconds in all did they work?

A) 10.192 sec
B) 13.552 sec
C) 16.08 sec
D) 23.152 sec

Question 52

Round the amount to the nearest dollar

-$653.01

A) $654
B) $653.10
C) $652
D) $653

Question 53

Jake has a cable that is 50.7 feet long. He wants to cut it into pieces that are 3.9 feet long. How many 3.9-foot pieces will he get from the cable?

A) 14 pieces
B) 13 pieces
C) 12 pieces
D) 130 pieces

Question 54

Write the number that represents the decimal

-twelve and two hundredth

A) 12.002
B) 12.2
C) 12.02
D) 1202

Question 55

Write the number that represents the decimal.

-two tenth

A) 20
B) 0.2
C) 0.02
D) 0.002

Question 56

A stockbroker bought 45 shares of stock for $47.98 each. What was the total amount of the purchase?

A) $2159.00
B) $2159.10
C) $2159.21
D) $2159.20

Question 57

If you save $41.18 off the list price buying from a discount catalog, and the list price is $112.28, what is the discount price?

A) $151.00
B) $71.10
C) $153.46
D) $70.10

Question 58

A car rental company charges $23 per day and $0.40 per mile to rent a car. What is the total bill if a car is rented for 3 days and is driven 130 miles?

A) $70.20
B) $3042.00
C) $121.00
D) $17.00

Question 59

If the list price is $130.08 and the discount price is $99.55, how much is saved by buying at discount?

A) $31.53
B) $40.53
C) $41.53
D) $30.53

Question 60

Round the amount to the nearest dollar

-$524.19

A) $524
B) $524.20
C) $524.19
D) $525

Question 61

The original price on a shirt is $19.66. If you receive a $3.51 discount, how much does the shirt cost?

A) $23.17
B) $16.66
C) $22.66
D) $16.15

Question 62

BT&T charges $0.37 for the first minute and $0.26 for each additional minute for a long-distance call. How much will a 25 minute long-distance call cost?

A) $6.87
B) $6.61
C) $6.50
D) $9.25

Question 63

If you save $25.25 by buying an item from a discount catalog when the list price is $119.47, what is the discount price?

A) $94.22
B) $93.22
C) $144.62
D) $144.72

Question 64

A bakery sold 28 pies for $2.72 each. What was the total amount of the sale?

A) $77.26
B) $76.26
C) $76.17
D) $76.16