Fraction Review

Fractional Review

Review

• Prime Numbers

• Greatest Common Factor

• Least Common Multiple

• Lowest Term

• Improper Fractions

• Mixed Number

• EquivalentFraction

Multiple Choice

Which one of the following is not a prime number?

• 7

• 17

• 27

• 37

Multiple Choice

Use a factor tree to find the prime factorization of 45

• 3 x 3 x 5

• 3 x 5 x 4

• 3 x 2 x 8

• 9 x 5

Multiple Choice

Use a factor tree to find the prime factorization of 54.

• 3 x 3 x 2

• 3 x 3 x 3 x 2

• 3 x 2 x 1 x 3

• 3 x 3 x 1 x 5

Multiple Choice

Use a factor tree to find the prime factorization of 50.

• 2 x 2 x 5 x 5

• 5 x 5 x 3 x 2

• 2 x 5 x 5

• 2 x 25

Multiple Choice

The factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24.

Prime factors of 24 are .....

• 6 and 8

• 1, 2 and 3

• 12 and 24

Multiple Choice

Factors of 18 are 1, 2, 3, 6, 9, 18.

Prime factors of 18 are.....

• 1, 2, and 3

• 2, 3, and 6

• 3, 9, and 18

Multiple Choice

Which of the following is a prime number?

• 57

• 58

• 59

• 60

Multiple Choice

Which of the following is a prime number?

• 72

• 73

• 74

• 75

Multiple Choice

Is 29 prime or composite?

• Prime
• Composite

Multiple Choice

What are all prime numbers divisable by?

• 1, 2, and itself
• 1 and itself
• Every number from 1-10
• They aren't divisable at all

Multiple Choice

List the first 5 numbers that are NOT prime numbers:

• 4,6,7,8,9
• 0,1,4,6,8
• 4,6,8,10,12
• -1,-2,-3,-4,-5

Multiple Choice

List the first 5 prime numbers:

• 1,2,3,4,5
• 2,3,4,5,6
• 2,3,5,7,8
• 2,3,5,7,11

Multiple Choice

Are 0 and 1 prime numbers?

• yes
• no

Multiple Choice

What is the first prime number?

• 1
• 2
• 3
• 5

Multiple Choice

What is the greatest common factor of 16 and 24? 

• 6
• 2
• 4
• 8

Multiple Choice

What is the greatest common factor of 8 and 10?

• 1
• 3
• 4
• 2

Multiple Choice

Which is a factor of 15?

• 2
• 3
• 4
• 6

Multiple Choice

What is the greatest common factor of 10 and 25?

• 5
• 1
• 10
• ^₁

Multiple Choice

List the factors of 12 & 20, then identify the greatest common factor.
12-
20-
GCF=

• 12- 1, 2, 5, 7  20-10, 20, 30, 40 GCF 10
• 12-1, 12, 24, 36  20-20, 40, 60, 80 GCF 40
• 12-2, 4, 6   20-1, 10, 20 GCF 20
• 12-1, 2, 3, 4, 6, 12  20-1, 2, 4,5,10, 20 GCF 4

Multiple Choice

Find the Least Common Multiple of 9 and 6

• 18
• 36
• 3
• 5

Multiple Choice

What is the Lowest Common Multiple (LCM) for the numbers
8 and 6?

• 2
• 3
• 24
• 14

Multiple Choice

What is the Lowest Common Multiple (LCM) for the numbers
8 and 6?

• 2
• 3
• 24
• 14

Multiple Choice

Which of the following is a multiple of 7?

• 28
• 48
• 71
• 45

Multiple Choice

Which one is a multiple of 4?

• 33
• 22
• 18
• 24

Multiple Choice

What is the LCM?

• The LCM is the least common factor that both numbers share the least. 
• The LCM is a multiple that both numbers share the most.  
• The LCM is a multiple that both numbers share the least. 
• The LCM is a factor that both numbers share the least. 

Multiple Choice

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Multiple Choice

• >

• <

• =

Multiple Choice

• <

• >

• =

Multiple Choice

• ²/₃

• ³/₄

• ¹/₂

• ²/₅

Multiple Choice

• ³/₆

• ⁹/₁₈

• ⁶/₁₂

• ⁹/₃

Multiple Choice

Is equivalent to...

• ¹/₂

• ¹/₃

• ²/₃

• ⁵/₄

• ³/₄

Multiple Choice

Simplify:

2

6

• 1

  2

• 1

  3

• 1

  4

• 2

  3

Multiple Choice

Simplify:

9

81

• 1

  8

• 9

  18

• 1

  10

• 1

  9

Multiple Choice

Simplify:

15

20

• 1

  15

• 5

  15

• 1

  10

• 3

  5

Multiple Choice

Simplify:

4

24

• 2

  12

• 1

  6

• 1

  8

• 2

  14

Multiple Choice

Simplify:

5

20

• 1

  4

• 3

  4

• 25

  20

• 2

  10

Multiple Choice

Simplify:

5

20

• 1

  4

• 3

  4

• 25

  20

• 2

  10

Multiple Choice

Simplify:

6

9

• 1

  2

• 3

  4

• 2

  3

• 6

  3

Fill in the Blank

Write the mixed number as an improper fraction

5 ⁶/₇

Multiple Choice

Write the improper fraction as a mixed number in simplest form

³⁰/₉

• 3 ²/₉

• 3 ³/₉

• 9 ³/₉

• 3 ¹/₃

Multiple Choice

Write the improper fraction as a mixed number

²⁷/₈

• 3 ²/₈

• 4 ³/₈

• 8 ³/₄

• 3 ³/₈

Multiple Choice

Write the improper fraction as a mixed number

²²/₃

• 7 ²/₃

• 7 ¹/₃

• 7 ¹/₄

• 7 ³/₄

Multiple Choice

Write the improper fraction as a mixed number

³⁶/₄

• 9 ¹/₄

• 9 ³/₄

• 8 ⁴/₄

• 9

Multiple Choice

Write the improper fraction as a mixed number

²³/₅

• 4 ³/₅

• 4 ⁵/₃

• 5 ³/₄

• 4 ³/₄