VTMO 2026 - Grade 3 - Semifinal - SET 7 - Self-study

Question 1

Bình cuts one loaf of bread into 5 pieces. How many cuts does he need?

1. 3
2. 4
3. 5
4. 6
5. 2

Question 2

Bình and Châu have 24 marbles altogether. Bình has fewer than 14 marbles and more marbles than Châu. How many marbles does Châu have?

1. 11
2. 9
3. 10
4. 12
5. 13

Question 3

Fill in the number at the question mark in the diagram.

1. 8
2. 5
3. 9
4. 7
5. 6

Question 4

Pi makes the sequence of blocks shown. How many small cubes are needed for the eighth block?

1. 18
2. 38
3. 49
4. 64
5. 81

Question 5

Minh is 4 kg heavier than Lâm. Nam is 3 kg heavier than Lâm. Which of Minh and Nam is heavier, and by how much?

1. Minh is 7 kg heavier than Nam
2. Nam is 1 kg heavier than Minh
3. Nam is 3 kg heavier than Minh
4. Minh is 1 kg heavier than Nam
5. Minh is 4 kg heavier than Nam

Question 6

Nam fills 12 adjacent squares with numbers so that the sum in any three consecutive squares is always 18. Two numbers are given in the diagram. What is A?

1. 4
2. 5
3. 9
4. 12
5. 18

Question 7

Hạnh reads a 99-page book in three days. She reads 19 pages on the first day, and on the third day she reads three times as many pages as on the second day. How many pages does she read on the first two days altogether?

1. 20
2. 33
3. 39
4. 57
5. 60

Question 8

Which quantity is greatest?

1. One half of 20
2. One quarter of 20
3. One fifth of 20
4. One half of 10
5. One half of 30

Question 9

An, Bình and Châu play five rounds of a game. In each round, first place earns 5 points, second earns 3 and third earns 1. Which total below is impossible for Bình?

1. 5
2. 15
3. 17
4. 18
5. 19

Question 10

In a subtraction, the minuend is increased by 12 and the subtrahend is decreased by 8. How does the difference change?

1. Increases by 20
2. Increases by 4
3. Increases by 12
4. Decreases by 4
5. Decreases by 20

Question 11

Which number below is divisible by 9?

1. 2012
2. 2013
3. 2014
4. 2015
5. 2016

Question 12

Four pupils guess that their teacher is 30, 37, 42 and 50 years old. The teacher says their guesses differ from his age by 1, 6, 6 and 14 years, in no particular order. How old is he?

1. 49
2. 44
3. 43
4. 36
5. 31

Question 13

Thanh’s family travels to Nha Trang, leaving at 10 a.m. on Friday, staying two nights and returning home at 6 p.m. on Sunday. How many hours does the trip last?

1. 44
2. 48
3. 52
4. 56
5. 68

Question 14

How many digits are in the result of $4\times5\times10\times15\times20\times25$?

1. 4
2. 5
3. 6
4. 7
5. 8

Question 15

Find X and Y in the sequence $6;0;13;12;20;24;27;36;X;Y;41;60$.

1. 34, 46
2. 36, 48
3. 34, 52
4. 34, 48
5. 30, 50

Question 16

What is the sum of the thousands digit and the tens digit of 6987?

1. 9
2. 10
3. 13
4. 14
5. 15

Question 17

An’s birthday is on Wednesday. Bình’s birthday is 17 days after An’s. On which weekday is Bình’s birthday?

1. Wednesday
2. Thursday
3. Friday
4. Saturday
5. Sunday

Question 18

Jerry writes a number. Tom multiplies it by 3. Spike adds 3 to Tom’s result. Mickey divides Spike’s result by 3. Donald subtracts 3 from Mickey’s result and gets 8. What number did Jerry write?

1. 10
2. 11
3. 33
4. 30
5. 12

Question 19

How many two-digit numbers are divisible by 5?

1. 17
2. 18
3. 19
4. 20
5. 21

Question 20

Replace different letters by different digits so that the sum shown is as large as possible. What is $T+I+T+A+N$?