3 + 10



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

3 + 10 =

5 + 3 =

7 + 9 =

9 + 5 =

11 + 9 =

11 - 2 =

10 - 4 =

9 - 6 =

17 - 8 =

21 - 10 =



Combined operations

6 +  6 - 1 =

2 + 1 + 5 =

3 - 1 - 2 =

1 + 1 - 2 =

4 - 3 + 4 =

10 - 6 + 8 =

9 + 6 - 10 =

6 + 8 + 8 =

7 - 6 + 6 =

11 - 10 + 10 =






Problems


1. There were 2 books in the library of my house. For my birthday, I received 3 books.

How many books do I have now?

a) 1 book.

b) 6 books.

c) 5 books.

 


2. Jesus has 4 trading cards and Juan José has 6.

How many trading cards are there altogether?

a) 10 cards.

b) 7 cards.

c) 2 cards.

 

 


3. I have 9 candies in my closet and I give 7 to my friends.

How many candies do I have now?

a) 16 candies.

b) 8 candies.

c) 2 candies.

 


4. Guadalupe has a collection of stamps. First, she bought 10 stamps in a store and then she bought 11 in another store.

How many stamps does she have altogether?

a) 21 stamps.

b) 15 stamps.

c) 1 stamp.

 


5. There are 6 people in a movie theater. 6 more people come in and then 3 people come out.

How many people are left in the movie theater?

a) 15 personas.

b) 12 personas.

c) 9 personas.

 


6. There are 5 children in the movie theater. 3 of them come out and then 6 children come in.

How many children are there in the movie theater finally?

a) 14 children.

b) 8 children.

c) 7 children.

 


7. Luis has 5 marbles, Ricardo has 6 and Rafael has also 6.

How many marbles are there altogether?

a) 12 marbles.

b) 17 marbles.

c) 11 marbles.

 


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

How many animals were there in the circus?

a) 17 animals.

b) 14 animals.

c) 23 animals.

 


9. Andrés had 7 euros and his father gave him 11. He bought a book that cost 11 euros.

How much money does he have left?

a) 29 Euros.

b) 7 Euros.

c) 8 Euros.

 


10. 6 passengers traveled in a commercial plane. At the airport 8 people went aboard and 5 went down.

How many people are there on the plane?

a) 8 passengers.

b) 9 passengers.

c) 19 passengers.



 

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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