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BBB 2023 - Kindergarten - Preliminary Round

Question 3

According to the pattern, which number should be filled into the box?

$4,\ 6,\ 8,\ 10,\ \boxed{\phantom{12}},\ 14,\ldots$
  1. 11
  2. 12
  3. 13
  4. 15

Question 4

By observing the numbers, which odd number is the greatest?

$11,\ 9,\ 16,\ 7,\ 6,\ 8,\ 13$
  1. 7
  2. 11
  3. 13
  4. 16

Question 5

By observing the pattern, what is the English letter in the space provided?

A, C, E, G, __
  1. I
  2. H
  3. J
  4. K

Question 6

Refer to the figure below, how many squares are there?

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

Question 7

Separate 9 landlines into 3 equal groups. How many landlines are there in each group?

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

Question 8

At least how many cubes are there in the figure below?

Question illustration
  1. 6
  2. 8
  3. 9
  4. 10

Question 9

By observing the pattern from left to right, what is the missing figure?

Question illustration
  1. Square (original A)
  2. Circle (original B)
  3. Star (original C)
  4. Four-petal shape (original D)

Question 10

Refer to the figure below, how many triangles are there?

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

Question 11

By observing the pattern, what is the number in the space provided?

$32,\ 28,\ 24,\ 20,\ 16,\ \_\_$
  1. 10
  2. 12
  3. 15
  4. 14

Question 13

Samuel has 6 candies. His mother gives him 5 candies. Then he eats 2 candies. How many candies does Samuel have now?
  1. 8
  2. 11
  3. 13
  4. 9

Question 14

By observing the equation, which number should be filled in the box?

$13+\boxed{\phantom{14}}=27$
  1. 40
  2. 15
  3. 4
  4. 14

Question 15

Find the value of $20-18+16-14+12-10+8-6+4-2$.
  1. 10
  2. 4
  3. 5
  4. 12

Question 16

Refer to the figure below, how many line segments are there?

Question illustration
  1. 8
  2. 10
  3. 12
  4. 6

Question 17

Refer to the pattern below, in which column is number 17?

Question illustration
  1. Column A
  2. Column B
  3. Column C
  4. Column D

Question 18

Chloe has 6 \$2 coins. At most how many \$5 coins can she exchange?
  1. 1
  2. 3
  3. 2
  4. 5

Question 19

Refer to the puzzle, find the value of $Y$.

$$\begin{array}{rr}X&X\\+&Y\\\hline 2&5\end{array}$$
  1. 2
  2. 7
  3. 3
  4. 5

Question 20

Anna rides a bike to school by following the path in the map below. How many times does she have to turn right?

Question illustration
  1. 1
  2. 2
  3. 3
  4. 4