IKMC 2027 - Grades 1-2 - Self-study SET 7 - Thematic Batch 3

Mai writes some numbers on the board. Their sum is 48. She reduces one number by 1, two numbers by 2 each, and three numbers by 3 each, leaving the other numbers unchanged. What is the new sum?

Uyên has a spiral-shaped field. One kind of vegetable is planted in each plot, following a pattern. Which vegetable belongs in the central plot marked “?”?

Doraemon and his friends go to the park to play on a seesaw. The picture shows Dekisugi, Doraemon, Nobita, Shizuka, Gian and Suneo, with their weights below.
a. Nobita sits on one side of the seesaw. Who should sit on the other side to balance it?
A. Gian; B. Dekisugi; C. Shizuka; D. Suneo; E. Doraemon.
b. Gian wants to play, but he is quite heavy. Which two friends should sit together on the other side to balance him?
A. Dekisugi and Suneo; B. Dekisugi and Nobita; C. Nobita and Shizuka; D. Shizuka and Suneo; E. Cannot be determined.
c. It would be unfair if Doraemon could not join in. However, his weight makes it hard to choose friends for the other side. Clever Dekisugi notices that four of the five friends together weigh exactly as much as Doraemon. Who cannot play this time?
A. Suneo; B. Nobita; C. Shizuka; D. Gian; E. Dekisugi.

Nam writes 1,2,3,4,5 in increasing and then decreasing order: 12345432123454321… What is the thirty-first digit?

Tom uses copies of the pictured L-shaped piece to build a figure. Which of the figures below can he make?

Lulu the cat is home alone while his owner is away. Bored, he looks for a toy and finds a ball of wool. After playing all morning, he has unwound it and tangled the yarn. Look at the picture and find which numbered end belongs to that ball of wool.

Ben has the two blocks shown. Which shape cannot he make by joining the two blocks?

Three pencils and 2 erasers cost 8 dollars. Three pencils and 5 erasers cost 11 dollars. How many dollars does 1 pencil cost?

There are 5 ladybirds in the picture. Each lands on a flower whose number of leaves equals the difference between the spots on its upper and lower wings, and whose number of petals equals the total spots on both wings. Which flower has no ladybird landing on it?

The pupils want to plant 20 trees in the schoolyard. Their group plants 5 trees in 10 minutes. If they start at 9 o’clock, when will they finish?

Ann says that the numbers of two consecutive pages she reads add to 19. What is their product?

An ant stands in the central cell of a 5×5 board. On its first move it travels 1 cell up, down, left or right. On the second move it travels 2 cells horizontally or vertically; on the third, 3 cells; and so on. What is the smallest number of moves needed to reach a cell at the edge of the board?

After 2016, what is the next year using exactly the digits 2,0,1,6?

Pupi follows one of the pictured paths to his food. At the junctions he turns right 3 times and left 2 times. Which path does he take?

The witch Juana has 5 brooms. She wants to take them one by one without moving any of the other brooms. Which broom will she take last?

Which shape below can be joined to the given shape to make a rectangle without any overlapping parts?

Four friends race: Ann, Bin, Coe and Den. Ann finishes first or second. Den is in one of the last two places. Neither Coe nor Den finishes last. Coe finishes second or third. What is the order starting with the last finisher?

Kate has 5 dice. Two are grey, and two are small white dice. Which picture shows Kate’s dice?