Deck 5: The Real Number System
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Deck 5: The Real Number System
1
Find all the factors of 189.
1, 3, 7, 9, 21, 27, 63, 189
2
Find the first five multiples of 6.
6, 12, 18, 24, 30
3
Find all the factors of 67.
1, 67
4
Find the least common multiple of 4 and 20.
A)2
B)20
C)80
D)4
A)2
B)20
C)80
D)4
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5
Find the first five multiples of 6.
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6
Which number is a prime number?
A)17
B)27
C)21
D)18
A)17
B)27
C)21
D)18
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7
Find a prime factorization of 31.
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8
The number 31 is ____________ .
A)neither prime nor composite
B)composite
C)prime
A)neither prime nor composite
B)composite
C)prime
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9
Find the greatest common factor of 14 and 21.
A)7
B)6
C)1
D)42
A)7
B)6
C)1
D)42
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10
Find the first five multiples of 30.
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11
A bakery makes three types of muffins to be distributed to local grocery stores: chocolate chip,
Blueberry, and banana nut. Each morning, the bakers produce 120 chocolate chip muffins, 80
Blueberry muffins, and 80 banana nut. They want to package the muffins efficiently for shipping.
The plan is to pack them in boxes so that every box has just one kind of muffin, and every box has
The same number of muffins. What's the smallest number of boxes they can ship in total?
A)280 boxes
B)2 boxes
C)40 boxes
D)7 boxes
Blueberry, and banana nut. Each morning, the bakers produce 120 chocolate chip muffins, 80
Blueberry muffins, and 80 banana nut. They want to package the muffins efficiently for shipping.
The plan is to pack them in boxes so that every box has just one kind of muffin, and every box has
The same number of muffins. What's the smallest number of boxes they can ship in total?
A)280 boxes
B)2 boxes
C)40 boxes
D)7 boxes
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12
Find all the factors of 37.
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13
Find the greatest common factor of 36 and 49.
A)1
B)1,764
C)36
D)49
A)1
B)1,764
C)36
D)49
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14
Find a prime factorization of 901.
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15
Find all the factors of 45.
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16
Find the prime factorization of 24.
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17
Find a prime factorization of 5,929.
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18
Find the greatest common factor of 6, 18, and 30.
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19
Which number is a composite number?
A)23
B)36
C)13
D)7
A)23
B)36
C)13
D)7
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20
Find the greatest common factor of 14, 21, and 28.
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21
Fill in the blank with
make a true statement. 
A)
B)


A)

B)

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22
Find the least common multiple of 76 and 114.
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23
Linda and Deepti are walking and jogging on a circular trail. Linda can complete one circuit in 30
Minutes, and Deepti can complete the circuit in 42 minutes. If they both start at the same place at
The same time, when will they be at the starting place at the same time?
A)210 minutes
B)1,260 minutes
C)30 minutes
D)6 minutes
Minutes, and Deepti can complete the circuit in 42 minutes. If they both start at the same place at
The same time, when will they be at the starting place at the same time?
A)210 minutes
B)1,260 minutes
C)30 minutes
D)6 minutes
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24
Find the least common multiple of 18, 28, and 48.
A)2
B)24,192
C)1,008
D)42
A)2
B)24,192
C)1,008
D)42
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25
Determine the absolute value. 
A)8
B)-8

A)8
B)-8
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26
Find the opposite of -8.
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27
Which is greater,
?
A)
B)Neither, they are equal.
C)15

A)

B)Neither, they are equal.
C)15
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28
List the numbers from the following set which are integers. 

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29
Find the least common multiple of 5, 19, and 67.
A)95
B)6,365
C)1,273
D)335
A)95
B)6,365
C)1,273
D)335
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30
Fill in the blank with
make a true statement. 
A)
B)


A)

B)

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31
Find the opposite. -7
A)7
B)
C)- 7
D)-7
A)7
B)

C)- 7
D)-7
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32
Find the opposite. 31
A)-31
B)31
C)
D)
A)-31
B)31
C)

D)

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33
Determine the absolute value. 
A)-25,000
B)25,000

A)-25,000
B)25,000
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34
List the numbers from the following set which are whole numbers. 

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35
Evaluate. 

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36
Add. -1 + (-6)+ (-3)
A)10
B)8
C)-8
D)-10
A)10
B)8
C)-8
D)-10
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37
Add. (-4)+ (-2)
A)-6
B)-2
C)2
D)6
A)-6
B)-2
C)2
D)6
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38
Which is greater,
?
A)
B)Neither, they are equal.
C)-3

A)

B)Neither, they are equal.
C)-3
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39
Insert 

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40
Find the least common multiple of 11 and 33.
A)363
B)1
C)11
D)33
A)363
B)1
C)11
D)33
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41
Perform the indicated operations. -120 ÷ 5 + 3
A)21
B)-21
C)15
D)-15
A)21
B)-21
C)15
D)-15
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42
Divide. 48 ÷ 6
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43
Convert the improper fraction to a mixed number. 

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44
Subtract. 15 - (-13)
A)28
B)-2
C)2
D)-28
A)28
B)-2
C)2
D)-28
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45
Perform the indicated operations. -5[5 + (-17)- (-1)]
A)65
B)55
C)-43
D)-41
A)65
B)55
C)-43
D)-41
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46
Convert the mixed number to an improper fraction. 1 

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47
Perform the indicated operations. 

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48
Convert the improper fraction to a mixed number. 
A)
B)
C)
D)

A)

B)

C)

D)

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49
Perform the indicated operations. (82 - 60)+ [(-3 × 4)- 36 ÷ 4]
A)10
B)25
C)19
D)1
A)10
B)25
C)19
D)1
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50
Convert the mixed number to an improper fraction. 
A)
B)
C)
D)

A)

B)

C)

D)

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51
Multiply. (-11)(-7)
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52
A large grocery store had 362 cases of canned vegetables in the storeroom. During the past month
The store removed 67 cases, 75 cases, 71 cases, and 84 cases among 362 cases from the shelves.
Also the store received two lots of 90 cases each. How many cases are in the storeroom now?
A)479 cases
B)569 cases
C)155 cases
D)245 cases
The store removed 67 cases, 75 cases, 71 cases, and 84 cases among 362 cases from the shelves.
Also the store received two lots of 90 cases each. How many cases are in the storeroom now?
A)479 cases
B)569 cases
C)155 cases
D)245 cases
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53
Multiply and reduce the answer to lowest terms. 

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54
A new company makes a profit of $27,480 in the first year. The owner wants to keep $10,000 of that
For herself, then divide the remainder among two salespeople and three associates. Write an order of
Operations problem based on this situation. How much will each salesperson and associate get?
A)(27,480 - 10,000)÷ 2 + 3; $8,743
B)27,480 - 10,000 ÷ 2 + 3; $22,483
C)(27,480 - 10,000)÷ (2 + 3); $3,496
D)27,480 - 10,000 ÷ (2 + 3); $25,480
For herself, then divide the remainder among two salespeople and three associates. Write an order of
Operations problem based on this situation. How much will each salesperson and associate get?
A)(27,480 - 10,000)÷ 2 + 3; $8,743
B)27,480 - 10,000 ÷ 2 + 3; $22,483
C)(27,480 - 10,000)÷ (2 + 3); $3,496
D)27,480 - 10,000 ÷ (2 + 3); $25,480
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55
Reduce the fraction to lowest terms. 

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56
Reduce the fraction to the lowest terms. 
A)
B)
C)
D)

A)

B)

C)

D)

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57
A food bank sends a truck with 400 pounds of food to each of five local food pantries every week,
And receives a government surplus shipment of 3,200 pounds every other week. If it has 10,000
Pounds of food on hand at the beginning of July, how much will it have six weeks later?
A)20,600 pounds
B)4,200 pounds
C)10,600 pounds
D)20,200 pounds
And receives a government surplus shipment of 3,200 pounds every other week. If it has 10,000
Pounds of food on hand at the beginning of July, how much will it have six weeks later?
A)20,600 pounds
B)4,200 pounds
C)10,600 pounds
D)20,200 pounds
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58
The 30-year average snowfall in Coldsville, USA is approximately 16 inches per year. As of
January 10, Coldsville received approximately 6 inches. How much more snow will Coldsville
Receive if this is an average year?
A)10 inches
B)22 inches
C)24 inches
D)14 inches
January 10, Coldsville received approximately 6 inches. How much more snow will Coldsville
Receive if this is an average year?
A)10 inches
B)22 inches
C)24 inches
D)14 inches
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59
List the numbers from the following set which are rational numbers. 

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60
Divide. -55 ÷ (-55)
A)0
B)-55
C)1
D)-1
A)0
B)-55
C)1
D)-1
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61
Change the decimal to a reduced fraction. 0.48
A)
B)
C)
D)
A)

B)

C)

D)

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62
List the numbers from the following set which are irrational numbers. 

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63
Perform the indicated operations and reduce the answer to lowest terms. 
A)
B)
C)
D)

A)

B)

C)

D)

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64
Change the decimal to a reduced fraction. 
A)
B)
C)
D)

A)

B)

C)

D)

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65
Change the decimal to a reduced fraction. 0.115
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66
Change the fraction to a decimal. 

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67
Subtract and reduce the answer to lowest terms. 

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68
Change the fraction to an equivalent fraction with the given denominator. 
A)
B)
C)
D)

A)

B)

C)

D)

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69
Which number is irrational?
A)
B)
C)
D)0.454545...
A)

B)

C)

D)0.454545...
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70
Change the fraction to an equivalent fraction with the given denominator. 

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71
A company uses
of its budget for advertising. Of that,
is spent on television advertisement.
What part of its budget is spent on television advertisement?
A)
B)
C)
D)


What part of its budget is spent on television advertisement?
A)

B)

C)

D)

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72
Divide and reduce the answer to lowest terms. 

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73
Change the fraction to a decimal. 
A)
B)
C)
D)

A)

B)

C)

D)

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74
Change the fraction to a decimal. 
A)
B)
C)
D)

A)

B)

C)

D)

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75
Add and reduce the answer to lowest terms. 

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76
Change the decimal to a reduced fraction. 
A)
B)
C)

A)

B)

C)

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77
Simplify the radical. 
A)
B)
C)21
D)

A)

B)

C)21
D)

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78
Is the number
rational or irrational?
A)rational
B)irrational

A)rational
B)irrational
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79
Change the fraction to a decimal. 

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80
In a recent election
of all votes cast were for Candidate A and 1
were for Candidate B.
What fraction of ballots were cast for someone other than Candidate A or Candidate B?
A)
B)
C)
D)


What fraction of ballots were cast for someone other than Candidate A or Candidate B?
A)

B)

C)

D)

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