N2-L2 Whole Numbers Practice : Comparing/Ordering/Rounding

WHOLE NUMBERS – L2 (N2)      (~60 Mins)     Date/Time:                           Tutor:             

(Part 1) Revise(15-20mins)                                               Start Time:                 

1. Comparing and Ordering Numbers, Odd/Even Number 

2. Rounding Off, Use of approximation symbol

(Part2) Practice (~40mins).            Start Time: 

1. Arrange the numbers in order beginning with the smallest.                         Working

(a)      47620, 47591, 46135, 46921 

Answer:                                 

(b)      988, 978, 958, 938, 987

Answer:                                 

2.  Arrange the numbers in order beginning with the greatest.

(a)      714, 722, 709, 720, 710

Answer:                                 

(b)      25426, 25391, 25634, 25553, 25518    

Answer:                                 

3.  Use   4,   7,      6,      9   to from the 

(a) greatest 4-digit number 

Answer:                                 

(b) smallest 4-digit number

Answer:                                 

4.  Circle the odd numbers

         24, 33, 67, 22, 90, 15

5. What number is 20 more than 438?                

Answer:                                 

6.  What number is 112 less than 438?

Answer:                                 

7.  What number is 100 more than 8637?

Answer:                                 

8. What number is 1000 less than 8592?

Answer:                                 

9. Round off 70187 to the nearest:                       

 (a)  ten

 (b) hundred

 (c) thousand

10. Round off 89721 to the nearest 

 (a)  ten

 (b) hundred

 (c) thousand

11*.  Use all the digits 6, 5, 2, 8 to from the number closest to 6000.

12. Mary has 125 stamps. James has 68 more than Mary. How many stamps does James has?

PSLE (2018F)

13. Use the digits below to form the smallest 5-digit odd number. Each digit can only be used once. (21/p1/f)

                     

                             8    1   7    2    5

14. The first three figures in a pattern are shown. How many triangles will Figure 8 have? (29/p1/f)

                                        Total Mark:                /21

Tutor Remark:           

Answer Key:

1a.      46135, 46921, 475591, 47620

1b.      938, 958, 978, 987, 988

2a.      722, 720, 714, 710, 709

2b.      25634, 255553, 25518, 25426, 25391

3.         9764

3b.      4679

4.         33, 67, 15

5.         458

6.         326

7.         8737

8.         8492

9a.      70180

b.         70200

c.         70000

10a.    89720

10b.    87900

10c.    90000

11.      6258

12.      196

13.      81725

14.      64

TN3 Numbers Level 3 Mathematics Proficiency Assessment Questions

Time : 40minutes

Hundreds, Tens, Ones

3.1      What is the missing numbers?

            432 =        + 30 + 2

3.2      Complete 759 = 700 +        + 9

3.3      3247 = 3000 +           + 40 + 7

3.4      6000 + 900 + 30 + 2 =     .

3.5      In 1354,

            What does the digit 4 stand for?

            What digit is in the hundreds place?

Comparing and Ordering Numbers

3.6      What number is 100 more than 8537?

3.7      What number is 1000 less than 8592?

3.8      Which number is smallest?

            3526, 4251 and 4189

3.9      Use   4  , 8  , 6  , 9    to from the

            (a) greatest 4-digit number

            (b) smallest 4-digit number

3.10    Complete the number pattern:  

            (a)  345, 347, ? , 351, ?

3.11   5030, 5020, ? , ? , 4990, 4980

+/-/Sum/Difference

3.12    Find the difference between 5496 and 2372

3.13    Find the difference between 5496 and 897

Word Problems

3.14    At a concert, there were 993 men, 645 women, 219 girls and 247 boys.

            (a) How many adults attended the concert?

            (b) How many children were there?

            (c) What is the difference in number between the men and boys?

            (d) What is the sum for the number of women and girls?

3.15    2340 passengers are flying to Bangkok. The number of passengers flying to Hong Kong is 67 more than the number flying to Bangkok. How many passengers are flying to Hong Kong?

3.16    The smaller of two numbers is 1150. The greater number is 340 more than the smaller number. What is the sum of the two numbers?

3.17    720 boarded the train at the first station. At the second station, another 356 boarded the train, and 137 got off. How many people are on the train at the second station now?

Multiplication/Division

3.18    Complete     9 x 7 =          - 7 =   .

3.19    What are the missing numbers?

                        8 x 5 =         + 16 =   .

3.20    Solve:  56 ÷ 7 =     .

3.21    What are the missing numbers?

            81 ÷ 9 =       - 9 =    .

3.22    Ani has 8 balls. Carol has 4 times as many balls as Ani. How many balls does Carol have?

3.23    There are 8 pupils in each IT class. There are 7 IT classes in total. How many pupils are in the IT class?

3.24    Mr Hong gave $54 equally to 6 boys. How much does each boy have?

3.25    Bobby has 6 times as many stamps as Calvin. They have 84 stamps altogether. How many stamps does Bobby have?

3.26    Find the product of 36 and 4

3.27    Find the product of 6 and 153

3.28    Find the quotient and remainder of 23 ÷ 3        

3.29    Find the quotient and remainder of 562 ÷ 2

3.30    Divide 492 ÷ 4

3.31    Divide 500 ÷ 2

3.32    Five classes of pupils went to a concert. Each class paid $144 for the concert tickets.

            (a) How much was spent on concert tickets?

            (b) Each pupil paid $6 for the ticket. How many pupil went for the concert?

3.33    The theatre has 12 seats in each row. A group 43 of tourists occupied 4 rows of seat. How many seats in the 4 rows were not occupied by the tourist.