Tutorial World Primary 5
Name:_________________________ Date:_______________


Whole Numbers (1.3)

A. Write the numbers in words.

1. 481 000 =

2. 982 100 =

3. 5 390 020 =

4. 309 040 =

5. 7 304 200 =

6. 1 350 000 =

B. Write the following in numbers.

1. Nine hundred and fifteen thousand and forty-two =

2. One hundred and thirty-two thousand and twenty =

3. One million, three hundred and eighty thousand and four =

4. Seven hundred and twenty-one thousand, six hundred and nine =

5. Three million, one thousand and ten =

6. Four million, five hundred thousand and fifty-two =

C. What does the digit represent.

1. In 835 092, the digit 5 stands for ____________.

2. In 294 381, the digit 2 stands for ____________.

3. In 9 349 290, the digit 4 stands for ____________.

4. In 3 009 283 the digit 9 stands for ____________.

D. Fill in the correct number.

1. 1 008 000 + ____________ = 1 100 000

2. 150 000 + 25 000 + 800 = ____________

3. 2 000 000 + 50 000 = ____________

4. 8 730 800 = ____________ + 8 000 000

5. 3 000 000 + 700 000 + 3 000 = ____________

6. 3 000 000 + ____________ + 65 000 = 3 065 000

E. Find the answers.

1. Round off to nearest 1000.

(a) 59 294 + 20 093

(c) 49 390 + 83 303

(c) 42 498 + 72 920

2. Round off to nearest 10000.

(a) 3 498 940 + 4 435 245

(b) 1 434 637 + 7 343 760

(c) 2 546 965 + 5 423 657

3. Estimate the value.

(a) 8309 x 9

(b) 1 219 030 / 10

(c) 90 532 x 5

F. Arrange the numbers in ascending order.

1. 639 892 , 693 800 , 619 892 , 683 899

2. 3 854 190 , 3 485 190 , 3 584 190 , 2 584 190

3. 109 120 , 190 210 , 189 120 , 150 ,102

G. Do the following. (" / " means divide)

1. 38 - 23 + 48

2. 38 + 12 / 4 x 16

3. 108000 / 9

4. 810 / (9 x 10) + 290

5. 19 x 23 + 560 / 8

6. 10 + (35 x 39) / 7 x 0

7. 902 - 321 -211

8. (20 x 40 ) / (10 x 20)

H. Complete the number patterns.

1. 50 125 , 45 125 , ____________ , 35 125

2. 80 000 , ____________ , 240 000 , 320 000

3. ____________ , 1 400 000 , 2 100 000 , 2 800 000

4. 23 020 , 123 020 , ____________ , 323 020

I. Find the answers. (" / " means divide)

1. 1000000 / 1000 x 5

2. (107 - 37) / 7 x 400

3. 12 x 18 / (6 x 9)

4. 18 + 29 x 3 - 54

5. (169 / 13) - 96 / 8

6. 673 - 192 + 29 x 20

7. 7000 / 100 + 83 - 100

8. 99 / (52 - 43) x 10

J. Solve the following problems.
1. One computer costs $2430. One printer costs $630. What is the total cost for 14 computers and 8 printers? Round off to the nearest 100.

2. A father has $240000 to be shared among his 3 children. Two of the children have equal amounts. The third child has $30000 more. How much does each child get?

3. John has 42 more stamps than Janet. Janet has 23 less stamps stamps than Jack. If they have 1037 stamps altogether, how many stamps does Janet have?

4. 1680 people attended a charity concert. 1320 adults paid $15 each. The rest were children who paid $4 each. The organisers had to pay $5300 for staging the concert. How much money went to charity?

©COPYRIGHT 1998 Strategic Thinking Business P/L Singapore ALL RIGHTS RESERVED