Skip to content / Đến nội dung
ThichHocToan.com

VTMO 2015 — Grade 2 — semifinal

Question 1

Which number immediately precedes $110$?
  1. $100$
  2. $109$
  3. $111$
  4. $120$
  5. $123$

Question 2

Calculate $105 - 47$.
  1. $68$
  2. $58$
  3. $42$
  4. $38$
  5. $32$

Question 3

$A = 15$-minute math test starts at $8 : 50$. When does it finish?
  1. $8 : 55$
  2. $9 : 00$
  3. $9 : 05$
  4. $9 : 10$
  5. $9 : 15$

Question 4

Which picture contains $43$ sticks?

Question illustration
  1. Picture $A$
  2. Picture $B$
  3. Picture $C$
  4. Picture $D$
  5. Picture $E$

Question 5

Four stacks have $5 , 8 , 11 , 16$ coins. How many altogether?
  1. $40$
  2. $41$
  3. $42$
  4. $44$
  5. $46$

Question 6

Fill in: $47 + 28 - \ldots = 57$.
  1. $10$
  2. $18$
  3. $20$
  4. $22$
  5. $25$

Question 7

An empty bottle weighs $25 g$ and the full bottle $48 g$. How many grams does the water weigh?
  1. $20 g$
  2. $21 g$
  3. $22 g$
  4. $23 g$
  5. $25 g$

Question 8

An has $83$ marbles; Binh has $15$ fewer. How many do they have together?
  1. $68$
  2. $98$
  3. $141$
  4. $151$
  5. $161$

Question 9

Fill the missing number in $3 , 11 , 19 , 27 , 35 , \ldots , 51 , 59$.
  1. $38$
  2. $43$
  3. $44$
  4. $45$
  5. $47$

Question 10

Father is $43$ and mother $38$. What is their combined age next year?
  1. $71$
  2. $81$
  3. $82$
  4. $83$
  5. $85$

Question 11

As shown, one smile equals two hearts and one heart equals three diamonds. How many diamonds equal one smile?

Question illustration
  1. $2$
  2. $4$
  3. $5$
  4. $6$
  5. $8$

Question 12

Fill the question mark in the three quartered circles.

Question illustration
  1. $21$
  2. $25$
  3. $27$
  4. $28$
  5. $32$

Question 13

A single long log is cut four times into shorter pieces. How many pieces result?
  1. $3$
  2. $4$
  3. $5$
  4. $6$
  5. $8$

Question 14

Two brothers’ ages total $21$. In how many years will their total be $31$?
  1. $5$
  2. $9$
  3. $10$
  4. $21$
  5. $31$

Question 15

The operation is defined by $8\heartsuit5=8\times5+8+5=53$. Find $9\heartsuit3$.
  1. $36$
  2. $39$
  3. $42$
  4. $45$
  5. $48$

Question 16

How many cubes are there, including hidden ones?

Question illustration
  1. $7$
  2. $8$
  3. $9$
  4. $10$
  5. $12$

Question 17

How many two-digit numbers have digit sum $12$?
  1. $4$
  2. $5$
  3. $6$
  4. $7$
  5. $8$

Question 18

Write $1 \text{--} 20$ consecutively as $123456 \ldots 181920$. How many digits are written?
  1. $20$
  2. $22$
  3. $29$
  4. $30$
  5. $31$

Question 19

Two mangoes and four oranges weigh as much as five oranges. How many oranges equal four mangoes and four oranges?
  1. $3$
  2. $4$
  3. $5$
  4. $6$
  5. $7$

Question 20

How many faces does the solid have?

Question illustration
  1. $6$
  2. $8$
  3. $9$
  4. $10$
  5. $12$