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VTMO 2016 — Grade 2 — semifinal

Question 1

Find $N : 7 + 6 + 5 + 9 = 11 + N$.
  1. $7$
  2. $9$
  3. $13$
  4. $15$
  5. $16$

Question 2

There are $23$ books. An takes $1$, Binh $2$, Chau $3$. How many remain?
  1. $22$
  2. $21$
  3. $20$
  4. $18$
  5. $17$

Question 3

Arrange cards $P = 18 , Q = 15 , R = 19 , S = 9$ in increasing numerical order.

Question illustration
  1. $PQRS$
  2. $SQPR$
  3. $SQRP$
  4. $RPQS$
  5. $RQPS$

Question 4

Class starts at $17 : 45$ and the trip takes $20$ minutes. When must Dung leave?
  1. $17 : 15$
  2. $17 : 20$
  3. $17 : 25$
  4. $17 : 30$
  5. $17 : 35$

Question 5

Yesterday was Saturday. What weekday is the day after tomorrow?
  1. Sunday
  2. Monday
  3. Tuesday
  4. Wednesday
  5. Thursday

Question 6

Make the five stacks equally tall without changing the total. Each move transfers one or two books. What is the least number of moves?

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

Question 7

Two rice bags differ by $10 \,\mathrm{kg}$. How much must move from the heavier to the lighter to equalize them?
  1. $10$
  2. $4$
  3. $6$
  4. $8$
  5. $5$

Question 8

How many squares are in the figure?

Question illustration
  1. $4$
  2. $5$
  3. $6$
  4. $11$
  5. $12$

Question 9

Ti and Suu have reversed two-digit numbers totaling $33$. What is their difference?
  1. $12$
  2. $21$
  3. $8$
  4. $9$
  5. $10$

Question 10

Fill ? in the triangle pattern.

Question illustration
  1. $8$
  2. $5$
  3. $9$
  4. $7$
  5. $6$

Question 11

Chau removes $5 , 8 , 4$ marbles from boxes $1 , 2 , 3$ respectively. The remainders are equal. Which initially held the most?

Question 12

Squirrel and Hedgehog split a log equally. Hedgehog halves his share with Rabbit and retains $2 m$. How long was the original log?

Question 13

Minh is seventh from the front and ninth from the back. How many people are in line?

Question 14

Choose two marbles labeled $1 , 4 , 7 , 10$. How many different sums are possible?

Question 15

Distinct letters are distinct digits in $TSP + PSP = PQRS$. Find $PQRS$.

Question illustration