Solving Problems with Rational Numbers

Angelo has $5.50 for lunch. He buys a cookie for $1.05 and a drink for $1.45. How much money does Angelo have left?

• $2.50

• $3.00

• $1.25

• $4.00

Tags

CCSS.4.MD.A.2

Joe went scuba diving. He descended down to 5 feet below sea level, stopped, then went down another 20 feet. What is Joe's location relative to the surface?

• 25 feet

• -15 feet

• 15 feet

• -25 feet

Tags

CCSS.7.NS.A.1C

Nick brought a bag of candy to school. He started with 50 pieces, but gave out 15 pieces to EACH of his TWO friends. His nice math teacher gave Nick 3 pieces of candy. How much does he have now?

• 37 pieces

• 10 pieces

• 0 pieces

• 23 pieces

Tags

CCSS.3.OA.D.8

Chris decided to do his history homework a little bit each night. On the first night he did 1/5 of the homework, the second night he completed 1/4 of the homework, and the third night he worked 1/2 of the homework. How much of the homework has Chris completed?

• 19/20 or 0.95

• 1/2 or 0.5

• 1/3 or 0.33

• 1/10 or 0.1

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Aaron has $20. He buys 2 Cokes that each cost $1.50. He also buys a sandwich for $5.50 and a bag of chips that costs $2.25. After Aaron pays for his lunch, how much money does he have left?

• $10

• $10.75

• $9.25

• $0

Tags

CCSS.6.NS.B.3

Ms. Sublett learns how to fly a plane. She starts on the ground and ascends 500 feet, then descends 150 feet, then ascends 50 feet. How high up is Ms. Sublett's plane above the ground now?

• 700 feet

• 500 feet

• back on the ground

• 400 feet

Tags

CCSS.7.NS.A.3

The temperature on a cold winter day starts out at 10⁰F, but it drops rapidly 24⁰F due to a strong cold front moving in. What is the current temperature?

• 14⁰F

• 34⁰F

• -14⁰F

• -34⁰F

Tags

CCSS.7.NS.A.3

Suppose $700 is being deducted from your account each month to pay the mortgage. After six months, what integer represents the change in your account?

• $4,200

• $-4,200

• $116.66

• $-166.66

Tags

CCSS.7.NS.A.1A

Your bank account balance is -$31.00. You then get paid $195 for work this week before paying your cellphone bill of $75. How much money remains in your account?

• $-89.00

• $51.00

• $301.00

• $89.00

Tags

CCSS.7.NS.A.3

Jonah had $340.87 in his checking account. He withdrew $52 and wrote a check for $18.72. Find the new balance.

• $270.15

• $411.59

• $374.15

• $307.59

Tags

CCSS.6.NS.B.3