# Ôn tập về giải toán lớp 3

VONG 3

Exam number 1: Vượt chướng ngại vật

Question 1:
Calculate: 26 x 4 + 137 = .....
a. 213

b. 241

c. 231

d. 214

Question 2:

A number has a digit 3 in the ones place.
It is greater than 64 but less than 82.
What number is it?
a. 73

b. 75

c. 72

d. 74

Question 3:

How many months are there in five years?
a. 60

b. 50

c. 120

d. 40

Question 4:
Which number comes next in the series below?
42
36
30
24
.......

a. 15

b. 21

c. 18

d. 20

Question 5:

If x is distinct 3-digit number and 37 < x < 103 then x = .........
a. 98

b. 102

c. 100

d. 99

Exam number 2: Sắp xếp các giá trị theo thứ tự tăng dần

(7) < ..... < ..... < .... < ..... < ..... < ..... < .....
Nhập số thứ tự của các giá trị vào chỗ chấm để được dãy giá trị theo thứ tự tăng dần

Exam number 3: Fill in the blank with the suitable number
Question 1:
How many bows are there?

There are ........ bows.

Question 2:
How many days are there in April?

Question 3:
Convert: 6cm = ...... mm.

Question 4:
If x : 6 = 17 then x = .........

Question 5:
The product of 6 and the greatest 1-digit number is ...........

Question 6:
There are six students in a drawing class. Each student draws a picture below. How many
stars do they draw in all?

Answer: They draw ...... stars in all.

Question 7:

The perimeter of the triangle below is ......... cm.

Question 8:
How many hours are there in three days?

Question 9:
The product of 40 and a number, m, is a 2-digit number that greater than 40. The value of
m is ..........

Question 10:
If 2a1 > 47 x 6 then a = ........

VONG 8
Exam number 1: Đi tìm kho báu

Question 1:
Multiply 9 x 5 = .............
a. 48

b. 40

c. 47

d. 45

Question 2:
Multiply: 9 x 7 = ...........

a. 62

b. 65

c. 61

d. 63

Question 3:

Multiply 9 x 2 = .............
a. 18

b. 14

c. 19

d. 16

Question 4:

Multiply 9 x 9 = ..............
a. 81

b. 84

c. 83

d. 82

Question 5:

Calculate: 9 x 10 - 34 = .............
a. 65

b. 56

c. 64

d. 46

Question 6:

.........g x 4 = 860g
The missing number is:
a. 205

b. 225

c. 215

d. 235

Question 7:
......... of the below circle is not colored.

a. 1/3

b. 1/5

c. 1/4

d. 1/6

Question 8:
........... of the figure below is colored.

a. 1/3

b. 1/5

c. 1/4

d. 1/6

Question 9:

Mary has five packs of pencils. There are 9 pencils in each pack. John has 16 pencils.
How many pencils do they have in all?
They have ............. pencils in all.
a. 51

b. 66

c. 56

d. 61

Question 10:

The product of y and 9 is a two-digit number that has the digit 8 in the tens place. When y is
divided by 9, the remainder is ................
a. 0

b. 1

c. 9

d. 8

Exam number 2: Choose 2 consecutive cells which have the same or equal value.

(1) = ........; (2) = .........; (3) = ...........; (4) = ..........; (6) = ...........; (7) = ..........; (9) = ..........;
(12) = .........; (15) = .......; (16) = ..........

Vong 8
Exam number 1: Choose consecutively the cells with the increasing value to
remove them from the table. (Sắp xếp)

(15) < ....... < ..... < ....... < ...... < ....... < .........
Nhập số thứ tự của các ô vào chỗ (....) cho thích hợp để được dãy số tăng dần

Exam number 2: Fill in the blank with the suitable number
Question 1:
Find x such that x + 34 = 99
............

Question 2:
Write the missing number in the blank
Answer: The missing number is ..............

Question 3:
Calculate: 123 + 456

Question 4:
Write in numbers “Nine hundred and twenty – two”

Question 5:
Each box has 12 color pencils. How many pencils are in 3 of these boxes?

Question 6:
Two apples weight 100 gram. Then ten apples weight ….gram.
Answer: Ten apples weight ........... gram.

Question 7:
Write the missing number in the blank
Answer: The missing number is ............

Question 8:

Write the missing number in the blank
Answer: The missing number is ............

Question 9:
There are 56 students lining up in rows, there 7 students in each row. How many rows are
there?

Question 10:
The perimeter of rectangle ABCD is 20cm and the length of segment AB is 6cm. What is
the length of segment BC?
Answer: The length of segment BC is ............cm.

Exam number 3: Vượt chướng ngại vật

Question 1:
Which number makes the equation true?
163 + 100 = ........... + 102
a. 161

b. 262

c. 165

d. 365

Question 2:
Find the value of x is ......

a. 2

b. 8

c. 4

d. 6

Question 3:
Which number is smallest?

123

a. 321

b. 123

c. 231

d. 123

Question 4:
What time will it be in 30 minutes?

a. 10:00

b. 2:20

c. 10:40

d. 1:20

Question 5:

What is the perimeter?

a. 28cm

b. 25cm

c. 24cm

d. 49cm

VONG 9:
Exam number 1: Đỉnh núi trí tuệ

Question 1:
Find x such that x : 6 = 42
a. 36

b. 7

c. 48

d. 252

Question 2:

Fill in the blank with a suitable operator 18 ........ 9 = 2
a. +

b. x

c. :

d. -

Question 3:

How many days are there in January?
a. 28

b. 29

c. 30

d. 31

Question 4:
How long is segment AB in cm?

a. 50

b. 60

c. 5

d. 6

Question 5:
Find the value of x

a. 11

b. 9

c. 126

d. 25

Question 6:

Multiply 12 by 6 then subtract 25 from the product.
The result is ............
a. 47

b. 27

c. 74

d. 97

Question 7:

Divide 56 by 7 then subtract 5 from the quotient.
The result is .............
a. 13

b. 58

c. 3

d. 397

Question 8:

By how many times is 15 greater than 5?
a. 10

b. 20

c. 3

d. 75

Question 9:

Look at this table. Among these 4 people, who is the tallest?

a. Jack

b. John

c. Daniel

d. Mary

Question 10:
Find the value of X:

a. 47

b. 10

c. 6

d. 65

Exam number 2: Cóc vàng tài ba

Question 1:
There are 165 students in a grade 3, including 84 girls. How many boys are there in the
a. 13860

b. 100

c. 249

d. 81

Question 2:

How do you write this number using digits?
Seven hundred three.
a. 137

b. 730

c. 703

d. 173

Question 3:
How many triangles are there?

a. 4

b. 6

c. 2

d. 8

Question 4:

The longest side of triangle ABC is ............ cm.
a. 40
b. 34

c. 86

d. 12

Question 5:

Danny is 31. Garrett is 4 years older than Bryce and 2 years older than Danny. How old is
Bryce?
a. 33 years old

b. 37 years old

c. 27 years old

d. 29 years old

Question 6:

Clayton is 5 years younger than Ruth. Jane is 36. Kimberly is 1 year younger than Jane and
5 years younger than Ruth. How old is Ruth?
a. 35 years old

b. 37 years old

c. 41 years old

d. 40 years old

Question 7:

I am an even number. I am greater than 2 but less than 6. What number am I?
a. 2

b. 8

c. 6

d. 4

Question 8:

In a class, there are 40 students and the number of girls is 4 times the number of boys.
How many boys are there?
a. 32

b. 44

c. 8

d. 10

Question 9:

How many bricks like this

a. 6

b. 12

c. 4

d. 3

are needed to make a wall like this?

Question 10:

In my class, only 6 of 10 students were at school. How many were absent?
a. 7

b. 10

c. 6

d. 4

Exam number 3: Vượt chướng ngại vật

Question 1:
How many green squares are there in the figure?

Question 2:
Coffee costs \$5 per pound. How much does 5 pounds of coffee cost?

Question 3:
How many circles are there?

Question 4:
Look at the four angles marked on the picture of a house. Which angle is a right angle?

Question 5:
On Friday, 1250 people visited the zoo. The number of people visited the zoo on Saturday
is three times as many as on Friday. How many people visited the zoo on Saturday?

VONG 4

Exam number 1: Đi tìm kho báu
Question 1:
Multiply: 7 x 1 = .......

Question 2:
Multiply: 7 x 2 = .........

Question 3:
Multiply: 7 x 3 = .......

Question 4:
Multiply: 7 x 4 = .......

Question 5:
Multiply: 7 x 5 = ........

Question 6:
Multiply: 7 x 6 = ......

Question 7:
How many flowers are there?

Question 8:

Bob caught ......... fish.

Question 9:

Peter caught .......... fish.

Question 10:

Jack caught ........... fish.

Exam number 2: Cóc vàng tài ba

Question 1:
Divide: 70 : 7 = ......
a. 9

b. 10

c. 7

d. 8

Question 2:

Divide: 42 : 7 = .......
a. 6

b. 5

c. 7

d. 8

Question 3:

Divide: 63 : 7 = ........
a. 10

b. 9

c. 7

d. 8

Question 4:

Find y such that 21 : y = 7
a. 1

b. 2

c. 3

d. 4

Question 5:

If 28 : x = 7 then x = .......
a. 4

b. 3

c. 1

d. 2

Question 6:
Plant tree

If Anna plants 24 trees then

a. 6

b. 4

c. 7

d. 8

= ........ trees.

Question 7:

Find X such that 7 x X = 42
a. 6

b. 5

c. 7

d. 8

Question 8:

Each bag has 7 potatoes. How many potatoes are there in the nine bags?
a. 42

b. 56

c. 63

d. 49

Question 9:
A pet store has 7 fish tanks. This is one of them. How many fish does the store have?

a. 28

b. 21

c. 14

d. 35

Question 10:

If X x 3 = 7 x 6 then X = .......
a. 21

b. 14

c. 7

d. 9

Exam number 3: Tìm cặp bằng nhau

(1) = .....; (2) = ....; (3) = ....; (5) = .....; (6) = ....; (8) = .....; (10) = ....; (13) = ....; (15)
= .....; (16) = ......
Nhập số thứ tự của các giá trị vào chỗ chấm để được các cặp giá trị bằng nhau

VONG 6
Exam number 1:
Fill in the blank with the suitable sign (>, <, =)
Question 1:
Compare m and n if m is the greatest 3−digit number and n is the smallest 4−digit
number.

Fill in the blank with the suitable number:
Question 2:
Convert: 3km = ............ m.

Question 3:
Convert: 4km = .......... hm.

Question 4:
Convert: 5dm = ........... mm.

Question 5:
Calculate: 35cm x 2 = .......... cm.

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