Adding and Subtracting with Decimals

Nathan and his uncle paid $9.50 for tickets to a bike race.  They bought one adult's ticket and one child's ticket.  The adult's ticket cost $5.75.  What was the cost of Nathan's ticket?

• 3.75

• $2.95

• $3.75

• $3.50

Kaitlyn loves to roller skate. Since she skates so much, she decided to buy her own skates. She looked at several stores and found a pair she liked for $74.79. She has $193.42 in her savings account. If she takes out the money to buy the skates, how much money will be left in her savings account?

• $268.21

• $118.63

• $124.65

• $256.86

Jenna bought two bags of gummi bears that cost $2.50 each.  Then she bought a case of soda that was $10.50. What was her total cost?

• 13.00

• 8.00

• 15.50

• 50.00

Missy bought a pizza for $8.27.  How much change would she get back if she paid with a $10.00 bill?

• $18.27

• $1.73

• $2.27

• $1.27

Tracy bought a shirt for $39.12 and paid with a $50.  How much change did she get back?

• $11.98

• $10.88

• $11.12

• $9.88

What is the first step to adding and subtracting decimals?

• Write the problem

• Stack the problem and line up the decimals

• Complain about how hard the problem is

• Ask to go to the restroom

Before you start an adding and subtracting problem you have to stack the problem and line up the decimal.

• True

• False

Mr. Martinez eats 0.5 grams of gummy bears on Monday. He eats another 1.2 grams of gummy bears on Tuesday. How many has Mr. Martinez eaten in all?

• 1.7 grams

• 17 grams

• .17 grams

• 1.3 grams

13.7+1.79

• 15.49

• 15.99

• 11.59

• 10.79

14.61-0.77

• 13.84

• 14

• 14.71

• 13.23