tài liệu bài tập VIOLYMPIC MATH 5

UNIT 1: Mixed Fractions (Hỗn số)
Question 1

Convert
to a fraction?

Question 2

Convert
to a mixed fraction?


Question 3

Fill in the blank with the correct symbol:

<
>
=
Question 4

Write a mixed fraction to show what part of the
following illustration.

Question 5

Convert mix fraction to fraction:


Question 6

Convert
to a fraction.


Question 7

If
then m = .............

Question 8

Solve and simplify your answer :


Question 9

Fill in the blank with the correct symbol (>; =; <):

=
>
<
Question 10

Solve and simplify your answer:

Question 11

Write a mixed fraction to show what part of the
following illustration.

Question 12

I ate
of a cake. What percentage of the cake did I eat?

75 %
65 %
45 %
35 %
Question 13

Calculate :


Question 14

Write a mixed fraction to show what part of the
following illustration:

Question 15

Fill in the blank with the correct symbol:

>


=
<
Question 16

Fill in the blank with the correct symbol:

<
=
>
Question 17

Write a mixed fraction to show what part of the
following illustration.

Question 18

Calculate:


Question 19

Fill in the blank with the correct symbol:

>
<
=
Question 20

Fill in the blank with the correct symbol:

<
=

>
Question 21

Calculate:

Question 22

The distance from Hanoi to Haiphong is 171,6 km. An
starts moving Hanoi to Haiphong at 7 o'clock, he rest 30
minutes in moving process and comes to Haiphong at a
half part eleven. Find the speed of An.
44 km/h
43 km/h
42.9 km/h
45 km/h


Question 23

Caculate:

Question 24

Calculate:


76
100
77

101
Question 25

Calculate:

33


Question 26

Write the decimal fraction as decimal:

12.30
0.123
0.0123
1.23
Question 27

Fill in the blank:

9
8


10
7
Question 28

Write these mixed numbers as fractions and complete
the operation :

Question 29

Calculate:

50
70
80


60
Question 30

Hung walked
miles on Wednesday. He walked
miles on Thursday How many more miles did he walk
on Wednesday?

Question 31

Fill in the blank:

3
5
6


4
Question 32

Simplify:

Question 33

Calculate:


Question 34

Calculate:

Question 35

Convert:


Question 36

Calculate:

Question 37

Calculate:


Question 38

Convert
to a mixed fraction.

Question 39

Fill in the blank:


13
12
11
10
Question 40

Tom’s family ate
apple pies. Ha’s family ate
apple pies. How much pie did both families eat?


59:27


UNIT 2: Decimal Numbers (Số thập phân)
Question 1

For the number 76.9087, what is the place value of the
digit 0?
0 ten thousandths
0 thousandths
0 hundredths
Question 2

Write the decimal that has five units, nine-tenths.

5.09
50.9
5.99
5.9
Question 3

Count back by 0.1. The value of Q is .........
1.1
0.7
0.6
1.0
Question 4

How many natural numbers are there less than 7.23?
7


6
8
5
Question 5

Write the mixed fraction in decimal form?

0.59
0.059
59
5.9
Question 6

Write the decimal that has seventy-five units, two-tenths,
nine-hundredths.
75.92
57.29
75.29
705.209
Question 7

The number of centimetres in 7.05 metres is ...


Question 8

The value of the digit 5 in 238.159 is .............
0.05
0.005
0.0005
0.5
Question 9

Which of following decimal numbers should be replace
the question mark?

0.9
0.7
0.8
0.6
Question 10

Find x such that 2.89 < x < 11.01 and x are even natural

numbers.

2; 4; 6; 8; 10
4; 6; 8; 10; 12


4; 6; 8; 10
4; 6; 8
Question 11

Write the fraction in decimal form?

0.045
4.5
45
0.45
Question 12

Convert 5.03m = ............cm.

Question 13

Write the decimal that has fifty-five units, five tenths,
five-hundredths, five-thousandths.

55.555
55.55
555.55