Add and Subtract Missed Numbers with Unlike Denominators

• 11/12
• 9/16
• 9/24
• 1/12

Tags

CCSS.4.NF.B.3A

• A
• B
• C
• D

Tags

CCSS.4.NF.B.3A

_{The common denominator is _____.} 

• 5

• 10

• 4

• 20

Tags

CCSS.7.NS.A.1C

_{2/3 is equivalent to what fraction in the example?}

• 2/3

• 4/6

• 2/6

• 5/6

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the sum of these fractions in lowest terms?

• 4/5

• 3/20

• 17/20

• 4/20

Tags

CCSS.5.NF.A.1

CCSS.5.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.5.NF.A.1

CCSS.5.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.5.NF.A.1

CCSS.5.NF.A.2

Is the problem solved correctly?

• Yes, the student added correctly.

• No, you cannot add unlike denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 8/10

• 1 1/10

• 8/15

• 11/15

Tags

CCSS.7.NS.A.1C

• 1/9
• 11/9
• 5/9
• 7/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2