Deck 2: Review of Fractions

Question 1

Which of the following is not a factor of 348?

A)2
B)4
C)8
D)34

Answer 1

D

Question 2

Which rule guarantees 4,150 is divisible by 5?

A)There are two consecutive digits that are divisible by 8.
B)The last three digits form a number divisible by 5.
C)At least two of the digits are even.
D)The last digit is a zero.

Answer 2

D

Question 3

Which number is neither prime nor composite?

A)3
B)1
C)2
D)4

Answer 3

B

Question 4

140 is divisible by which two numbers?

A)10 and 8
B)5 and 3
C)2 and 7
D)2 and 9

Question 5

15 is not a prime number because

A)15 is not divisible by any number except 1 and itself.
B)it has 1 as a factor.
C)its factor pairs are 1 × 15, 3 × 5.
D)its factor pairs are 3 × 5.

Question 6

Which rule guarantees 927 is divisible by 3?

A)The last digit is even and the sum of the digits is divisible by 3.
B)The last two digits are even.
C)The last digit is even and 24 is divisible by 6.
D)The sum of the digits is divisible by 3.

Question 7

1 and 30, 2 and 15, 3 and 10, and 5 and 6 are all factor pairs of which number?

A)60
B)131,056
C)3
D)30

Question 8

Identify the list that is a list of multiples of 25.

A)25, 50, 100, 270, 400
B)25, 75, 125, 155, 175
C)25, 50, 75, 140, 175
D)25, 50, 75, 100, 125

Question 9

Which basic arithmetic operation is implied when you use the word "factor"?

A)Subtraction
B)Multiplication
C)Division
D)Addition

Question 10

By examining the last digit of 3,455 only, which number is it divisible by?

A)9
B)6
C)5
D)4

Question 11

Which is a list of the factors of 21?

A)1, 3, 7, 21
B)1, 2, 3, 6, 9, 18
C)3, 6, 9, 12, 15, 18
D)2, 4, 6, 8, 10, 12, 14, 16, 18

Question 12

Find the prime factorization of 72.

A)1 · 2 · 2 · 2 · 3 · 3
B)2 · 3 · 3 · 4
C)2 · 2 · 2 · 3 · 3
D)8 · 9

Question 13

Which list contains both even numbers and odd numbers?

A)4, 10, 12, 20, 28
B)6, 30, 40, 50, 60
C)5, 10, 15, 20, 40
D)2, 4, 6, 8, 10

Question 14

Which of the following is a prime number?

A)55
B)39
C)29
D)42

Question 15

Which list contains all the factor pairs of 36?

A)1(36), 2 (18), 3(12) , 4(9), 6(6)
B)1(36), 2(18), 4(9)
C)1(36), 2 (18), 3(12) , 6(6)
D)1(36), 6(6)

Question 16

By only examining the last two digits of 6,380, which number is it divisible by?

A)9
B)4
C)2
D)8

Question 17

Determine the composite number represented by

A)30
B)180
C)540
D)108

Question 18

3, 6, and 9 are multiples of which number?

A)3
B)2
C)6
D)9

Question 19

Which of the following numbers is a composite number?

A)34
B)61
C)47
D)53

Question 20

6, 9, and 18 are all multiples of which number?

A)3
B)6
C)2
D)972

Question 21

Which is the least common multiple of 2, 7, and 14?

A)7
B)196
C)14
D)none of the above

Question 22

Find the greatest common factor of 14, 21, and 35.

A)10,290
B)7
C)2
D)210

Question 23

Reduce to lowest terms.

Question 24

Find the greatest common factor of 26 and 52.

A)13
B)676
C)26
D)1

Question 25

Find the greatest common factor of 20 and 28.

A)1
B)4
C)140
D)2

Question 26

Which is the least common multiple of 6 and 9?

A)6
B)54
C)18
D)9

Question 27

Which is the least common multiple of 4 and 12?

A)4
B)2
C)12
D)48

Question 28

If each inch of an English rule is divided into 64 units, what part of an inch would be measured by 3 of the units?

Question 29

Which is the least common multiple of 4 and 15?

A)15
B)4
C)60
D)30

Question 30

Find the least common multiple of 12, 24, and 30.

A)12
B)120
C)6
D)24

Question 31

Find the greatest common factor of 6 and 15.

A)1
B)15
C)90
D)3

Question 32

Which of the following list of fractions is equivalent to

Question 33

Simplify

Question 34

Find the greatest common factor of 42, 84, and 210.

A)14
B)7
C)21
D)42

Question 35

Reduce to lowest terms.

Question 36

Which is the least common multiple of 12, 18, and 30?

A)180
B)6
C)6,480
D)1,620

Question 37

Find the prime factorization of 1,260.

A)2 · 2 · 2 · 3 · 5 · 5
B)2 · 2 · 3 · 3 · 5 · 7
C)2 · 2 · 3 · 3 · 35
D)1 · 4 · 5 · 7 · 9

Question 38

Which of the following fractions is equivalent to

Question 39

Find the greatest common factor of 6, 9, and 10.

A)6
B)1
C)90
D)3

Question 40

Find the equivalent fraction having the denominator indicated in

Question 41

If one inch on a U.S. customary rule is divided into 16 parts, what is the length of each part of the inch?

Question 42

Question 43

Use a U.S. customary ruler to measure the line below to the nearest half inch:

Question 44

Question 45

Use a U.S. customary ruler to measure the line below to the nearest fourth of an inch:

Question 46

Reduce to lowest terms.

A)
B)
C)
D)

Question 47

Write 11 ÷ 25 in fraction form.

Question 48

If each inch on a U.S. customary rule is divided into 32 parts, what part of an inch would be indicated by the 5th hash mark in a inch? (Illustrate with a drawing.)

Question 49

Use a U.S. customary ruler to measure the line below to the nearest sixteenth of an inch:

Question 50

Use a U.S. customary ruler to measure the line below to the nearest sixteenth of an inch:

Question 51

Use a U.S. customary ruler to measure the line below to the nearest eighth of an inch:

Question 52

Which fraction is equivalent to and has a denominator of 28?

A)
B)
C)
D)

Question 53

Use a U.S. customary ruler to measure the line below to the nearest sixteenth of an inch:

Question 54

Write a fraction to represent the shaded portion of a given figure.

Question 55

Which fraction is equivalent to 7/8 and has a denominator of 56?

A)
B)
C)
D)

Question 56

Write a fraction to represent 4 out of 5 kittens in a litter.

Question 57

Reduce

Question 58

Use a U.S. customary ruler to measure the line below to the nearest fourth of an inch: