Adding and Subtracting Fractions

2/3 + 1/2 = 

• 6/7
• 2/6
• 3/5
• 7/6

Tags

CCSS.4.NF.B.3

What number could be a common denominator for these two fractions?
3/10   and   1/5

• 5
• 10
• 15
• These numbers do not have a common denominator

Tags

CCSS.4.NF.A.2

Joe has listed the first 4 multiples of 7 as: 
7   14    22     28
Which one is incorrect?

• 7
• 14
• 22
• 28

Tags

CCSS.4.OA.B.4

Yao drank ¹¹ /₄ bottles of water during a soccer game. What is the number expressed as a mixed number?

• 3 ¹/₄
• 2 ³/₄
• 2 ¹/₂
• 2 ¹/₄

Tags

CCSS.4.NF.B.3

Solve this mixed number equation:
1⅔ + 1⅚

• 3 1/2
• 2 7/6
• 3 7/6
• 2 7/9

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction
• Rewrite the fractions in the simplest form. 
• Find a common denominator. 
• Make each fraction into an improper faction. 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator you could use to subtract 1/3 and 1/4?

• 3
• 4
• 24
• 12

Tags

CCSS.4.NF.A.2

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

Tags

CCSS.4.NF.A.2

33/33 is the same as ____

• 3/4
• 1
• 1/4
• 1/2

Tags

CCSS.4.NF.A.1

2/4 is the same as ____

• 3/4
• 1
• 1/4
• 1/2

Tags

CCSS.5.NF.B.5B

CCSS.4.NF.A.1