Rational Numbers, Rates, Operations, and Equations

What is the least common denominator of 1/9 and 2/3?

• 6

• 3

• 9

• 21

Which of these numbers could NOT be a common denominator for these two fractions?
2/4   and   3/8

• 32

• 12

• 8

• 24

Complete the equivalent fraction.

• 6

• 9

• 15

• 23

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

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

Which of the following is an equivalent fraction to 5/6?

• 9/12

• 10/12

• 8/12

• 14/18

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Melody had to make a visit to the bank because her account was overdrawn by $32.  After making a deposit of $100, Melody was now happy that she had some money. How much money did she have after making the deposit?

• $100

• -$78

• $68

• $32

Tags

CCSS.7.NS.A.1C

Each month Chuck’s phone company charges a flat fee of $12 plus $0.05 per minute. His bill for last month was $18. How many minutes did Chuck talk on the phone last month?

• 120

• 100

• 350

• 600

Tags

CCSS.7.EE.B.4A

73.15 ÷ 0.05

• 1,463

• 146.3

• 14.63

• 1.463

Tags

CCSS.6.NS.B.3

Jada ate 3/8 of a pizza and Isaiah ate 1/4 of the pizza. How much pizza did they eat in all?

• 1/2

• 5/8

• 3/4

• 7/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 2/5
• 5/6
• 4/6
• 1/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2