11 - 3

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 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

 11 - 3 = 4 + 4 = 6 + 11 = 8 + 3 = 10 + 5 = 2 + 3 = 16 - 5 = 11 - 7 = 12 - 9 = 15 - 11 =

# Combined operations

 5 + 2 - 5 = 2 - 1 + 5 = 5 + 6 - 1 = 1 + 4 + 6 = 6 + 3 - 2 = 6 + 7 - 9 = 8 + 11 + 7 = 9 + 6 - 8 = 12 - 11 + 11 = 11 + 9 - 9 =

# Problems

1. Yesterday I walked 5 kilometers in the morning and then 6 kilometers in the afternoon.

How many kilometers did I walk altogether?

a) 1 kilometer.

b) 8 kilometers.

c) 11 kilometers.

2. In a kiosk I bought a comic at 20 cents and a seed bag at 40 cents.

How much money did I pay?

a) 60 cents.

b) 20 cents.

c) 40 cents

3. My grandmother gave me 11 postcards for my collection. If I already had 7 postcards,

How many postcards do I have now?

a) 4 postcards.

b) 13 postcards.

c) 18 postcards.

4. José Juan has 8 marbles and Antonio has 9 marbles more than him.

How many marbles does Antonio have?

a) 17 marbles.

b) 1 marble.

c) 12 marbles.

5.  When I went out to the recess, I had 2 marbles. I won 3 marbles in the game and then I lost 2.

How many marbles do I have at the end of the recess?

a) 7 marbles.

b) 1 marble.

c) 3 marbles.

6. There are 4 people in a theater. 4 people come out in and then 6 come in.

How many people are left in the theater?

a) 14 people.

b) 10 people.

c) 2 people.

7. There are 5 children in a movie theater. 4 of them come out and then 5 children come in.

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

a) 14 children.

b) 6 children.

c) 12 children.

8. 11 people travel in a bus. If 9 of them get down and then 8 people get in.

How many people are there in the bus?

a) 8 people.

b) 28 people.

c) 10 people.

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

How many animals were there in the circus?

a) 14 animals.

b) 22 animals.

c) 16 animals.

10. José Ramón had 10 euros and his father gave him 9. He bought a book that cost 11 euros.

How much money does he have left?

a) 7 Euros.

b) 30 Euros.

c) 8 Euros.