9 : 3



Tables of multiplication

- - - - - - - - - -

Tables of division
- - - - - - - - - -

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

9 : 3 =

2 x 11 =

4 x 8 =

6 x 6 =

8 x 3 =

10 x 8 =

30 : 5 =

70 : 7 =

18 : 9 =

55 : 11 =








Operaciones combinadas

1 x 2 + 5 =

2 x 5 - 2 =

7 x 7 +7 =

9 x 11 - 11 =

12 : 4 + 6 =

54 : 9 + 7 =

10 : 5 + 3 =

80 : 10 - 8 =

66 : 6 + 6 =

88 : 8 - 10 =








Problems


1. Pedro has 24 cents.

How many postcards can he buy if a postcard cost 6 cents?

a) 18 postcards.

b) 30 postcards.

c) 4 postcards.

 


2. There were two chocolates in one box.

How many chocolates will there be in 3 boxes?

a) 6 chocolates.

b) 5 chocolates.

c) 1 chocolate.

 


3. If a squirrel eats 7 nuts,

How many nuts will 9 squirrels eat?

a) 2 nuts.

b) 16 nuts.

c) 63 nuts.

 


4. A box of books is 10 kilos.

How much will 7 boxes be?

a) 70 kilos.

b) 17 kilos.

c) 3 kilos.

 


5. Maximina found 6 trading cards and she divided them between 3 friends. Candida gave 2 trading cards to her sister.

How many trading cards does Candida have now?

a) 4 cards.

b) 11 cards.

c) 0 card.

 


6. A girl bought 4 kilos of potatoes at 60 cents each one and 1 can of sardines at 20 cents.

How much money did she spend altogether?

a) 84 cents.

b) 260 cents.

c) 260 cents.

 


7. Antonio wants to put 20 photos in an album. If 5 photos fit in one page and 4 pages are free,

How many pages did the album have?

a) 8 pages.

b) 29 pages.

c) 7 pages.

 


8. A group of 10 boys buy football tickets at 11 euros each one. If they only had 7 euros,

How much money do they need?

a) 103 Euros.

b) 28 Euros.

c) 21 Euros.

 


9.-  80 euros are divided among 8 friends and one of them spent 8 euros.

How much money does he have now?

a) 96 Euros.

b) 2 Euros.

c) 16 Euros.

 


10. Pilar bought 8 boxes with 8 colors in each one. If she loses 8 colors,

How many colors does she have now?

a) 56 colors.

b) 72 colors.

c) 24 colors.



 


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®Arturo Ramo García.-Record of intellectual property of Teruel (Spain) No 141, of 29-IX-1999
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