8  2 
Name: ______________________________________ Subject: _______________________ Date: _______
Write on the
right side what is missing.
In the combined operations, you must do the first operation with the first two numbers. Then, you must do the second operation with the result and the third number.
8  2 = 

3 + 9 = 

5 + 8 = 

7 + 2 = 

9 + 3 = 

11 + 2 = 

14  4 = 

14  6 = 

14  8 = 

14  10 = 
1 + 2  2 = 

6  5 + 1 = 

5 + 5 1 = 

2 + 4 + 6 = 

5  3 + 4 = 

6 + 9  7 = 

10 + 6 + 9 = 

6 + 10  9 = 

10  9 + 10 = 

8 + 7  8 = 
1. Mary has a collection of 4 dolls. She gave 3.
How many dolls does Mary have left?
a) 7 muñecas.
b) 1 muñeca.
c) 12 muñecas.
2. There were 6 books in the library of my house. For my birthday, I received 6 books.
How many books do I have now?
a) 10 books.
b) 14 books.
c) 12 books.
3. There were 11 liters of water in a jar and I take out 7 liters.
How many liters of water do I have now?
a) 18 liters.
b) 4 liters.
c) 5 liters.
4. I have 10 candies in my closet. I give 4 to my friends.
How many candies do I have left?
a) 14 candies.
b) 8 candies.
c) 6 candies.
5. Augustine has 4 marbles, José Ramón has 2 and Andrés has 3.
How many marbles are there altogether?
a) 3 marbles.
b) 9 marbles.
c) 7 marbles.
6. There were 9 cookies in a box. First I ate 2 cookies and then 3.
How many cookies do I have left?
a) 4 cookies.
b) 14 cookies.
c) 10 cookies.
7. Marta had 6 books on her bookcase. She received 4 in her birthday and she lent 3 to her friends.
How many books does she have now?
a) 13 books.
b) 10 books.
c) 7 books.
8. 7 passengers travel in a plane. At the airport, 6 people go aboard and then 9 go down.
How many people are there in the plane?
a) 22 passengers.
b) 4 passengers.
c) 5 passengers.
9. Marta has 11 euros. Her mother gives her 11 and she spent 9 euros on school supplies.
How much money does she have now?
a) 13 Euros.
b) 31 Euros.
c) 12 Euros.
10. A school bus transports 9 children. At the first stop, 6 children get down and then 10 new children get in.
How many children are there in the bus?
a) 12 children.
b) 35 children.
c) 13 children.
 Educational
applications 
Calculation 
In Spanish  Interactive
®Arturo Ramo García.Record of intellectual property of Teruel (Spain)
No 141, of 29IX1999
Plaza Playa de Aro, 3, 1º DO 44002TERUEL