VTMO 2016 — Grade 2 — semifinal
Find $N : 7 + 6 + 5 + 9 = 11 + N$.
$7$
$9$
$13$
$15$
$16$
There are $23$ books. An takes $1$, Binh $2$, Chau $3$. How many remain?
$22$
$21$
$20$
$18$
$17$
Arrange cards $P = 18 , Q = 15 , R = 19 , S = 9$ in increasing numerical order.

$PQRS$
$SQPR$
$SQRP$
$RPQS$
$RQPS$
Class starts at $17 : 45$ and the trip takes $20$ minutes. When must Dung leave?
$17 : 15$
$17 : 20$
$17 : 25$
$17 : 30$
$17 : 35$
Yesterday was Saturday. What weekday is the day after tomorrow?
Sunday
Monday
Tuesday
Wednesday
Thursday
Make the five stacks equally tall without changing the total. Each move transfers one or two books. What is the least number of moves?

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

$4$
$5$
$6$
$11$
$12$
Ti and Suu have reversed two-digit numbers totaling $33$. What is their difference?
$12$
$21$
$8$
$9$
$10$
Fill ? in the triangle pattern.

$8$
$5$
$9$
$7$
$6$
Chau removes $5 , 8 , 4$ marbles from boxes $1 , 2 , 3$ respectively. The remainders are equal. Which initially held the most?
Squirrel and Hedgehog split a log equally. Hedgehog halves his share with Rabbit and retains $2 m$. How long was the original log?
Minh is seventh from the front and ninth from the back. How many people are in line?
Choose two marbles labeled $1 , 4 , 7 , 10$. How many different sums are possible?
Distinct letters are distinct digits in $TSP + PSP = PQRS$. Find $PQRS$.
