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BBB 2022 - Kindergarten - Preliminary Round

Question 3

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

$3,\ 5,\ 7,\ 9,\ \square,\ 13,\ldots$
  1. 11
  2. 12
  3. 9
  4. 10

Question 4

By observing the numbers, which even number is the smallest?

$12,19,6,15,4,20,3$
  1. 3
  2. 4
  3. 6
  4. 12

Question 5

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

A、D、G、J、__、
  1. K
  2. L
  3. M
  4. N

Question 6

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

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

Question 7

Separate 14 books into 2 equal groups, how many books are there in each group?

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

Question 8

Refer to the figure below, at least how many cubes are there?

Question illustration
  1. 9
  2. 10
  3. 7
  4. 8

Question 9

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

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

Question 10

Refer to the figure below, which route among A, B, C is the longest?

Question illustration
  1. Route A
  2. Route B
  3. Route C
  4. All routes are equal

Question 11

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

$28,25,22,19,16,\underline{\phantom{00}}$
  1. 14
  2. 12
  3. 13
  4. 15

Question 13

John has 4 pens. Teacher gives John 9 pens. Then he throws away 2 broken pens. How many pens does John have now?
  1. 11
  2. 15
  3. 13
  4. 9

Question 14

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

$15+\square=23$
  1. 7
  2. 38
  3. 8
  4. 12

Question 15

Find the value of $10-9+8-7+6-5+4-3+2-1$.
  1. 4
  2. 1
  3. 10
  4. 5

Question 16

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

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

Question 17

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

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

Question 18

Refer to the pattern below, in which row is number 19?

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

Question 19

Amy has 7 \$2 coins. At most how many \$3 coin(s) can she exchange?
  1. 4
  2. 5
  3. 6
  4. 7

Question 20

Refer to the puzzle, find the value of A.

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