Tai lieu lop 50 P4 thang 102017

ĐÈ THI VIOLYMPIC TỐN TIỀNG ANH LỚP 5

VỊNG 7
Bai 1:SX
STT
PT1
1
0.23 + 35.68
2
9.46 + 24.79
3
1.48 + 47.23
4
38.92 + 35.68
5
47.23 + 27.73
6
47 + 0.2 + 0.08
7
0.02+ 47+ 0.8
8
47.01 + 1.2 + 0.07
9
48 + 0.02 + 0.8
10
47.21 + 1.11 + 1.5
11
16+3.7+8.4 + 6.3
12
2.34+3.44+48+4+5.2 + 6.6
+7.7

13
2.5 + 7.8 + 17.5 + 12.2
14
12.6+8.4+17.4+ 11.6
15

4.8 + 5.6 + 6.5 + 15.2 + 14.4
+ 13.5

PT2
16.48 + 19.43
2.93 + 31.32
23.92 + 24.79
27.37 + 47.23
42.03 + 32.93
0.17 + 47.01 + 0.1
47.21+0.5+ 0.11
0.08 + 48 + 0.2
47.1 + 1.7 + 0.02
48.11 + 1.01 + 0.7
2.56 + 4.82 + 7.44 + 5.18
1.53 + 3.29 + 5.48 + 4.52
+6.71 + 8.47
159+95+4.1+10.5
19.17 + 8.24 + 10.83
+ 11.76
7.21 + 8.54 + 9.62
+10.38 + 11.46 + 12.79

GT

35.91
34.25
48.71
74.6
74.96
47.28
47.82
48.28
48.82
49.82
20
30
40
50
60

Bài 2: Dễ - Trung bình - khó WEB
STT

Phân tử

Find the value of expression
1
12x90 + 1.2 x10
Find the value of expression
2
1.23 x90 + 1.23 x10
3
Calculate: 0.8 x 400
4

Calculate: 0.5 x 500
5
Find the value of x if 9.6 x x = 6.4 X 7.2
6
Calculate: 6.7 x 8.2 + 8.2 x 3.3
7
Calculate: 67 x 8.2 + 8.2 x 33
Tom buys two pairs of shoes for $18.25 each.
8 | He gives the clerk $50. How much change should Tom receive?
Tom buys three pairs of shoes for $8.25 each.
9 | He gives the clerk $50. How much change should Tom receive?
If y is natural number and y
10
< 23.999 then the greatest value of y is.

Giá trị

Mức

(Dễ/TB
/Khó)


11
12
13
14
15
16
17

18

If y is natural number and y
< 12.888 then the greatest value of y is.
There are 2.25kg in each pack of flour.
How many kilograms of flour are there in 18 such packs?
There are 2.5kg in each pack of flour.
How many kilograms of flour are there in 14 such packs?
Find two numbers if their sum is 9.15 and their difference
is 2.85
The value of 3.45 x 2.32 + 5.2 is
Calculate: 27x0.9 + 33x0.9 =
Calculate: 2.5x127.5 + 7.5x127.5 =
Fill suitable number in the blank:
....X23.4- 5x23.4 = 46.8

Fill suitable number in the blank:
19
15.32x 1.6 + ....x1.6 = 160
The total mass of Amy and her father is 93.67kg.
Amy’s father has
20 | amass of 37.35kg more than Amy. Find Amy’s mass
(2015+1)x2016
21

The value of expression belÌOW sg1gzs016+20161-.12016
2016 numbers

The original price of an umbrella is $15.
What is its price after two times = discount?

22 | ( Write your answer by decimal in the simplest form)
1
Inatown, 1 are adults. How many children are there in the
23 | Town if there are 76

adults?

1
Inatown, 5 are adults. How many children are there in the

24 | Town if there are 45 adults?
3
5 of aclass are girls and there are 8 more girls than boys.
25
26 | 0.1424
27
28
29
30

How many students are there in the class?
Calculate:
1.12 + 2.12 + 3.12 + 4.12 + .....419.12
Calculate: 31.1 + 32.1 + 33.1 4+ .....+ 50.1
Ifa = 3.4; b = 6.7; c = 6then(a+t b)xc =
Find the value of cifa.bcx10 = 5.2x10 + 9.3

Find the value of cif a.bc x 10 =6.8 x 10+ 4.7

Bai 3. MC

Mức dễ (10 câu
STT
1

)
Phân tử

Write the following as a decimal:
6 tens 8 ones 9 hundredths
Write the following as a decimal:
5 hundreds 50 one 555 hundredths
Write the following as a decimal:

2
3

4
5
6
7
8
9

Giá trị

27 tens 115 hundredths

Jack bought a packet of milk at $2.25, a box of biscuits at $2.05 and 3
| packets of chips at $1.90 each. How much he would spend altogether.
Tom bought a packet of milk at $4.6, a box of biscuits at $3.5 and 3
packets of chips at $2.3 each. Estimate how much he would spend
altogether.
Fill in the blank:
fa
ee x 2.95 —1.11x2.95 = 29.5
Rani has a mass of 27.25kg. Her father is 2 times heavier than she.
Find the father’s mass.
Anna has a mass of 32.75kg.
Her father is 2 times heavier than she.
Find the father’s mass.
Mary has a mass of 26.25kg.
Her mother is 2 times heavier than she.
Find the total mass.

Eugene had $50. He bought 7 pens at $3.55 each.

10 | How much did he have left?

Muc trung binh (10 cau)

ST
T

Phân tử

1 | Adrink seller mixes 3.5] of water with 1.5] of orange syrup.

Giá
trị


How much orange syrup must he use if he wishes to prepare 50]
of the mixture?
A bottle of drink contains 0.285] of liquid.
2 | What is the total amount of liquid in 9 such bottles?
Wendy has a piece of ribbon. She cuts 9 short pieces, each measuring
0.78 m, from it and has 2;

3

m of it left.

What was the original length of the ribbon?
Anna has a piece of ribbon. She cuts 12 short pieces, each measuring
0.7 m, from it and has 22 m of it left. What was the original length of the

4

ribbon?
A bottle of drink contains 0.5] of liquid.
5
What is the total amount of liquid in 9 such bottles?
Mr Tan went to the market with $78.40. After she had bought 8kg of beef,
6 | shehad $38.4 left. How much did each kilogram of beef cost?
7
The difference between 12.8km and 11.7km is.....m
8

9

The difference between 23,9km and 20 kmis.....m

|If yisanatural number and =
10

If yis anatural number and =
Mức khó (10 câu)

STT
1
2
3
4
5
6

7

<3

theny = ---

Phân tử

Look at these numbers:

0.15,
0.9,
0.5,
0.3,
0.09,
0.03
Two numbers in the box which have a product of 0.45 are.....
Compare: 2.175x5_...........10 + 0.8 + 0.071 + 0.005
Ifyx100 = 2345.7theny =
Tony is 36 years old while Mrs Lim is 51 years old now.
What will be their total age in 12 years’ time
Find the value of the 26th number in this number sequence:
25,33,41,49......
1 bag and 1 pair of shoes cost $124.3 such bags and 4 similar pairs of
| shoes cost $411. Find the cost of each pair of shoes.
Evaluate:
1
1
1
1

1x2 2x3 3x4 49x50.

(Write your answer by decimal in simplest form)

Giá trị


1

1

1x2 2x3

Evaluate:
1

1

3x4 909x100.

(Write your answer by decimal in simplest form)

8
9
10

A 6 — digit number begins with the digit 7.
The number is divisible by 9. All six digits of the number are different.
Find the smallest possible value of this number?
A 6 — digit number begins with the digit 6.
The number is divisible by 3. All six digits of the number are different.
Find the smallest possible value of this number?