Operations with Rational Numbers

Which expression can also be used to calculate the expression above?

• 
• 
• 
• 

Tags

CCSS.6.NS.A.1

Ella played a math game and had five cards shown. Her score was the sum of the numbers on these five cards. What was Ella's score?

• 3

• 23

• -5

• 10

Tags

CCSS.7.NS.A.1C

A baby weighed 7.25 lb at birth. At the end of 8 months

the baby weighed 2.5 times its birth weight. How many pounds did the baby weigh at the end of 8 months?

• 14.5 lb

• 9.75 lb

• 18.125 lb

• 14.125 lbs

Tags

CCSS.7.EE.B.3

A grocery store sells steak for$6.10 per pound. What would be the cost of 2.6 lb of steak?

• $14.03

• $8.70

• $15.86

• $12.06

Tags

CCSS.6.NS.B.3

Jack was the running back on his football team. The first play he gained 6 yards, second play loss 20 yards, third play gained 25 yards, and fourth play loss 13 yards. What was his total gains or losses?

• -10

• -2

• 64

• 11

Tags

CCSS.7.NS.A.3

-5.7 + 0.9

• 2.1
• -4.8
• -8.3
• -10.7

Tags

CCSS.7.NS.A.1C

-7.79 + 5.4

• 4.61
• -2.19
• -2.39
• 2.11

Tags

CCSS.7.NS.A.1C

• 2.6785
• 26.785
• -2.6785
• -26.785

Tags

CCSS.7.NS.A.2A

• -6/12
• -5/12
• 5/12
• -5/7

Tags

CCSS.7.NS.A.2A

-6.3(-0.6)

• -3.78
• 5.76
• 3.78
• -5.12

Tags

CCSS.7.NS.A.2A