Tutorial World Primary 4
 
Name:_________________________ Date:_______________
 

The Four Operators of Whole Numbers (2.2)

A. Find value of each of the following.

1. 2430   +   4101

2. 8502   -   1826

3. 40   x   30

4. 264   ÷   3

5. 1952   +   132

6. 3934   -   1489

7. 221   x   16

8. 5600   ÷   8

 
B. Work out the following.
1. 1 7 6 2. 2 1 0 3. 3 4 3
x    1 5 x    2 2 x    1 2
_______ _______ _______
 

 

 

 

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C. Solve the following problems.
1. A teacher has 72 blue pens, 90 red pens and 108 black pens. She divides them equally into 15 pens per packet. How many packets will she get? How many of each pen will there be in each packet?

 

 

 

 

 

2. Ali wanted to buy a car for $17 500, a suit for $1 320 and a watch for $4 730. He had $20 000. How much more does he need?

 

 

 

 

 

3. The sum of two numbers is 51. Their difference is 15. What are the numbers? Find their common factors.

 

 

 

 

 

4. There are 26 crates with 15 bottles in each crate. Mary repacks them by putting 3 bottles in one bag. How many bags does she need?

 

 

 

 

 

5. Ali runs 2 km in 5 minutes. Michael is twice as fast as Ali. How long does Michael take to run 10km?

 

 

 

 

 

6. An aeroplane has 438 passengers. A bus can carry no more than 42 people. To transfer all the passengers from the aeroplane to the airport, how many bus trips are needed?

 

 

 

 

 

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