2 + 5

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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. Draw a circle in one of the three letters: a, b, c.

# Simple operations

 2 + 5 = 4 + 6 = 6 + 8 = 8 + 7 = 10 + 9 = 14 - 3 = 14 - 5 = 13 - 7 16 - 9 17 - 11 =

# Combined operations

 4 +  5 - 2 = 5 + 4 + 5 = 7 - 6 -1 = 2 + 5 - 3 = 2 - 1 + 5 = 11 + 9 - 7 = 10 - 7 + 7 = 7 + 8 + 11 = 11 + 8 - 9 = 11 - 8 + 7 =

# Problems

1. If Julian fished three fishes and threw 2 of them in the river because they were small.

How many fishes does he have?

a) 2 fishes

b) 1 fish

c) 5 fishes

2. Yesterday I walked three kilometers in the morning and 3 kilometers in the afternoon.

How many kilometers does he have?

a) 7 kilometers

b) 8 kilometers

c) 6 kilometers

3. Montse collected stamps. Some day, she bought 7 stamps. If she give 6 stamps to her friend Luisa,

How many stamps does she have?

a) 13 stamps.

b) 1 stamp

c) 8 stamps

4. My grandma gave me 7 stamps for my Collection. If I already had 8 stamps,

How many stamps do I have now?

a) 1 stamp

b) 6 stamps

c) 15 stamps

5. There are 7 children in a movie. 6 children go out and then 2 children go in.

How many children do you think there are?

a) 11 children

b) 3 children

c) 15 children

6. Antonio has 3 marbles, Juan José has 3 and Paco has 4.

How many marbles are there in total?

a) 2 marbles

b) 10 marbles

c) 8 marbles

7. There were 8 cookies in a box. First I ate 3 cookies and then I ate 1.

How many cookies do I have?

8. Paco had 10 Euros and his father gave him 7 Euros. He bought a book that cost 9 Euros.

How much money does he have?

a) 17 Euros

b) 8 Euros

c) 12 Euros

9. 11 passengers travel in a helicopter. 7 passengers get in at the airport and 11 passengers get out.

How many people are there in the helicopter?

a) 8 passengers

b) 7 passengers

c) 29 passengers

10. Juana has 7 Euros. His mother gives her 7 Euros and she spends 11 Euros on school material.

How much money does she have?

a) 3 Euros

b) 4 Euros

c) 25 Euros