5 - 3



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

5 - 3 =

4 + 5 =

6 + 7 =

8 + 8 =

10 + 4 =

2 + 1 =

9 - 5 =

12 - 7 =

17 - 9 =

16 - 11 =


Combined operations

6 + 2 - 5 =

4 - 2 + 1 =

4 + 6 - 5 =

1 + 5 + 2 =

6 + 1 - 2 =

11 + 9 - 10 =

6 + 7 + 6 =

9 + 9 - 7 =

8 - 7 + 11 =

8 + 6 - 8 =






Problems


1. Stephen fished 4 fishes and then he threw 2 to the river because they were small.

How many fishes are left?

a) 6 fishes.

b) 2 fishes.

c) 1 fish.

 


2. Yesterday I walked 4 kilometers in the morning and 6 kilometers in the afternoon.

How many kilometers did I walk altogether?

a) 2 kilometers.

b) 12 kilometers.

c) 10 kilometers.

 


3. Pilar collects stamps. One day she bought 10. If she give 6 stamps to her friend Julia,

How many stamps does she have left?

a) 16 stamps.

b) 4 stamps.

c) 5 stamps.

 


4. My grandmother gave me 11 postcards for my collection. If I already had 6 postcards,

How many postcards do I have now?

a) 5 postcards.

b) 18 postcards.

c) 17 postcards.

 


5. There are 3 children in a movie theater. 2 of them come out and then 3 children come in.

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

a) 8 children.

b) 4 children.

c) 3 children.

 


6. Arturo has 4 marbles, Amado has 5 and John has 3.

How many marbles are there altogether?

a) 9 marbles.

b) 12 marbles.

c) 8 marbles.

 


7. There were 9 cookies in a box. First, I ate 1 cookie and then 5.

How many cookies are left?

a) 3 cookies.

b) 15 cookies.

c) 4 cookies.

 


8. Arturo had 9 euros and his father gave him 7. He bought a book that cost 8 euros.

How much money does he have now?

a) 6 Euros.

b) 8 Euros.

c) 24 Euros.

 


9. 11 passengers travel in a supersonic plane. At the airport 10 people go aboard and 11 go down.

How many people are there on the plane?

a) 32 passengers.

b) 10 passengers.

c) 11 passengers.

 


10. Mary has 11 euros. Her mother gives her 6 and she spent 7 euros on school supplies.

How much money does she have now?

a) 10 Euros.

b) 24 Euros.

c) 9 Euros.



 

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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