6 - 2



Tables of addition

- - - - - - - - - -

Tables of subtraction

- - - - - - - - - -


Simple operations

Combined operations

Problems

Aritmetic tables

Instructions: Press one of the buttons on the right column The correct number is put in red .

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.

Simple operations

6 - 2 =

3 + 11 =

5 + 10 =

7 + 4 =

9 + 6 =

11 - 4 =

9 - 4 =

16 - 6 =

12 - 8 =

12 - 10 =


Combined operations

3 +  6 + 4 =

3 - 1 - 2 =

2 + 1 - 3 =

3 - 2 + 1 =

1 + 5 - 5 =

6 + 11 + 8 =

11 - 9 + 9 =

8 - 7 + 11 =

11 + 8 - 9 =

11 + 8 + 10 =






Problems


1. There were 5 books in the library of my house. For my birthday, I received 6 books.

How many books do I have now?

a) 30 books.

b) 1 book.

c) 11 books.

 


2. Paul has 3 trading cards and Pedro also has 3.

How many trading cards are there altogether?

a) 6 cards.

b) 4 cards.

c) 1 card.

 


3. I have 7 candies in my closet. I give 6 of them to my friends.

How many candies do I have left?

a) 13 candies.

b) 5 candies.

c) 1 candy.

 


4. Alfonso has a collection of stamps. In a store he bought 8 stamps and then he bought 11 in another store.

How many stamps does he have in total?

a) 19 stamps.

b) 21 stamps.

c) 3 stamps.

 


5. There are 4 people in a circus. 2 more people come in and then 4 people come out.

How many people are left in the circus?

a) 10 people.

b) 6 people.

c) 2 people.

 


6. There are 6 children in a movie theater. 4 of them come out and then 4 children come in.

How many children are there at the end of the movie?

a) 14 children.

b) 6 children.

c) 8 children.

 


7. Pilar has 4 marbles, Juana has 3 and Amparo 6.

How many marbles are there altogether?

a) 7 marbles.

b) 13 marbles.

c) 9 marbles.

 


8. In a circus there were 8 elephants, 9 tigers and 6 monkeys.

How many animals were there in the circus?

a) 17 animals.

b) 15 animals.

c) 23 animals.


9. José Luis had 9 euros and his father gave him 6. He bought a book that cost 11 euros.

How much money does he have now?

a) 5 Euros.

b) 4 Euros.

c) 26 Euros.

 


10. 7 soldiers travel in a military plane. At the airport, 8 people go aboard and 7 go down.

How many soldiers are there in the plane?

a) 22 soldiers.

b) 8 soldiers.

c) 7 soldiers.



 

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®Arturo Ramo García.-Record of intellectual property of Teruel (Spain) No 141, of 29-IX-1999
Plaza Playa de Aro, 3, 1º DO 44002-TERUEL