Decimal Operations

Mr. Smith has an account balance of -$275.78.  He deposits $539.20 into his account.  What is Mr. Smith's account balance now?

• $813.98
• $263.42
• $539.78
• $345.98

Tags

CCSS.7.NS.A.1C

Brynlee is selling pies for a band fundraiser.  They make $5.50 profit for every pie they sell.  How many must they sell in order to make a profit of at least $100?

• 19 pies
• 18 pies
• 550 pies
• 100 pies

The air temperature in the North Pole in the morning was 3 degrees Celsius.  By 10:00am the temperature dropped 12 degrees.  By noon the temperature had gone up 5 degrees.  At 3:00pm the temperature went up 9 degrees.  By nightfall the temperature had dropped 16 more degrees.  What was the temperature at the North Pole at nightfall?

• 11 degrees
• 0 degrees
• -11 degrees
• -9 degrees

Tags

CCSS.7.NS.A.3

Karla earns $20.25 per hour. If she works for a total of 32 hours one week, how much would she earn for that week?

• $52.25

• $640

• $648

• $6,480

Tags

CCSS.7.EE.B.3

A fish is swimming 7 feet below the water's surface. A turtle is swimming 2 feet below the water's surface. What is the difference in feet where the fish and the turtle is?

• -9 feet
• 14 feet
• 5 feet
• 9 feet

Tags

CCSS.7.NS.A.1C

On Tuesday, Terry took a road trip to visit his friends. He travelled 2.25 miles to Frank's house and then 5 1/2 miles to Janice's house before returning home. Using decimals, how many miles did Terry travel on Tuesday?

• 3.8 miles

• 7. 6 miles

• 7. 75 miles

• 15.5 miles

Tags

CCSS.7.NS.A.3

Julia spends $5.25 on gas for her lawn mower. She earns $24.00 mowing her neighbor’s yard. What is Julia’s profit?

• 18.75

• -18.75

• 29.75

• .29.75

Tags

CCSS.7.NS.A.3

Jackson bought 5 bags of chips. He paid with a $10 bill and got $3.75 back in change. If the chips all cost the same, how much did each bag cost?

• $6.25

• $1.25

• $4.00

• $0.50

Tags

CCSS.6.NS.B.3