3 +2

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 Simple operations Combined operations Problems Aritmetic tables

Instructions: Pulsa uno de los botones con los números de la columna derecha. 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

 3 + 2 = 5 + 11 = 7 + 7 = 9 + 7 = 11 + 7 = 5 - 2 = 12 - 4 = 17 - 6 = 11 - 8 = 16 - 10 =

# Combined operations

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

# Problems

1. Ana Victoria had 6 chocolates and she ate 4 of them in the morning.

How many chocolates does she have?

a) 10 chocolates

b) 5 chocolates

c) 2 chocolates

2. Pilar has a collection of 5 dolls. She has given four dolls.

How many dolls does Pilar have?

a) 6 dolls

b) 1 doll

c) 9 dolls

3. I had 8 balls. When I played I lost 7 balls.

How many balls do I have?

a) 15 balls

b) 9 balls

c) 1 ball

4. There were 11 liters of water in a bucket and we have taken out 10 liters.

How many liters do we have?

a) 21 liters

b) 1 liter

c) 6 liters

5. Isabel had 2 books on her bookcase. She received four books on her birthday and lent 2 books to her friends.

How many books does she have now?

a) 8 books

b) 6 books

c) 4 books

6. I had 9 canaries in a cage. I sold 2 canaries and 2 of them escaped.

How many canaries do I have now?

a) 5 canaries

b) 13 canaries

c) 8 canaries

7. There were 4 planes on the runway. 3 of them depart and 6 other planes arrive.

How many planes are there on the runway?

a) 8 planes

b) 7 planes

c) 13 planes

8. A school bus transports 10 children. At the first stop 9 children go down and other 11 children go up.

How many children are there on the bus now?

a) 19 children

b) 10 children

c) 12 children

9. My mom has spent 10 Euros in apples, 7 in bananas and 10 in oranges.

How many Euros did I spend?

a) 27 Euros

b) 17 Euros

c) 26 Euros

10. Augustine has 12 Euros in his pocket. He spent 2 Euros in sweets and 4 in pipes.

How much money does he have?

a) 5 Euros.

b) 6 Euros.

c) 18 Euros.