Adding and Subtracting Decimals

Add :

 $5.2\ +\ 6.47\ +\ 12.16$  

• 19.6

• 24.28

• 23.83

Subtract :

 $60.12\ -\ 14.05$  

• 46.07

• 47.06

• 40.67

• 40.76

Find the difference :

 $9.24\ -\ 2.6$  

• 8.98

• 6.46

• 6.64

Find the sum :  $18.39 + $ 7.56

• $29.59

• $25.95

• $25.59

Subtract : 15 - 4.82

• 10.81

• 10.18

• 11.08

Find the missing value :

 $n\ -\ 9.02\ =\ 3.85$  

• n = 5.17

• n = 12.87

• n = 6.83

Find the missing value :

 $n\ +\ 31.53\ =\ 62.4$  

• n = 3.87

• n = 30.78

• n = 30.87

Find the missing value :

 $9.2\ +\ n\ +\ 8.4\ =\ 20.8$  

• n = 3.2

• n = 2.3

• n = 32

You buy two dinners for a total of $23.78. You pay with two $20 bills. What is the amount of change you get back?

• $12.62

• $12.26

• $16.22

• You don't get any change, you need more money

Allan is making a tablecloth that is 0.45 meters longer than it is wide. If it's 1.06 meters wide, how long is it?

• 1.15 meters

• 1.51 meters

• 0.61 meters