27 : 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

 27 : 3 = 2 x 6 = 4 x 6 = 6 x 8 = 8 x 9 = 10 x 4 = 40 : 5 = 28 : 7 = 45 : 9 = 22 : 11 =

 4 x 3 + 5 = 6 x 4 - 4 = 8 x 8 + 8 = 8 x 7 - 6 = 5 : 1 - 4 = 30 : 5 - 4 = 16 : 4 + 4 = 66 : 6 - 9 = 42 : 6 + 7 = 70 : 7 - 9 =

# Problems

1. A box contains 5 pencils.

How many pencils will there be in 4 boxes?

a) 9 pencils.

b) 1 pencil.

c) 20 pencils.

2. Felipe is 4 years old and his older brother is 4 times older.

How old is Felipe’s brother?

a) 16 years.

b) 8 years.

c) 4 years.

3. There are 8 colored markers in a box

How many colored markers will there be in 10 boxes?

a) 18 markers.

b) 28 markers.

c) 80 markers.

José Ramón, the fruit seller, shared out 64 oranges among 8 children.

How many oranges will each children receive?

a) 8 oranges.

b) 72 oranges.

c) 56 oranges.

5. We divided 12 trading cards between 3 friends. Then I bought 2 more card.

How many cards will I have now?

a) 17 cards.

b) 2 cards.

c) 6 cards.

6. Andrew bought 6 comics at 20 cents each one. When he went to pay, he realized that he only had 20 cents.

How much money does he need?

a) 46 cents.

b) 32 cents.

c) 100 cents.

7. In my village there were 12 rabbits placed in 6 cages. If we put 5 more rabbits in the last cage.

How many rabbits will there be in this cage?

a) 23 rabbits.

b) 7 rabbits.

c) 11 rabbits.

8. A group of 11 squirrels eat 8 nuts each one. If 9 nuts are left over,

How many nuts were there in the beginning?

a) 88 nuts.

b) 28 nuts.

c) 97 nuts.

9. I buy 11 stamps at 7 cents each one and 1 notebook at 11 cents.

How much money will I pay?

a) 29 cents.

b) 18 cents.

c) 88 cents.

10. One Sunday I bought 11 seed bags at 10 cents each one and 1 comic at 6 cents.

How much money did I spend?

a) 27 cents.

b) 116 cents.

c) 71 cents.