BBB 2022 - Grade 1 - Preliminary Round

Find the value of $12+7+8+3+4$.

Find the value of $55-22+33$.

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

$2,6,10,14,\square,22,\ldots$

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

$24,91,32,78,45,56,3$

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

A、C、F、H、K、__、

Refer to the 2-row shelf below, at least how many books are required to move such that the number of books per row is equal?

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

Which number should replace the smiley face in the calculation below?

By observing the pattern, what is the missing figure?

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

$69,62,55,48,41,\underline{\phantom{00}}$

Refer to the puzzle, find the value of B.

Given that 1 hour equals 60 minutes. Andy starts doing homework at 7:20 p.m. and finishes at 8:35 p.m. How many minutes does he do his homework in total?

Julia had \$39. Then, Dad gave Julia \$21 and she used \$9 to buy a shirt. How much does Julia have now?

Harry stacks identical cubes on top of each other to get the figure below. At least how many cubes does Harry need to use?

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

If A is a 1-digit number, what is the value of A if the equation below is correct?

$7+A-15=34-16$

Original options: A. 18; B. 26; C. 8; D. 10.

Editorial response instruction: explain whether any value satisfies all the printed conditions.

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

Given 2 balances below, find the weight of B.

Alexa has 4 \$1 coins and 3 \$5 coins. At most how many \$3 coins can she exchange?

Each day, Anna eats 4 candies or 2 cupcakes. After 7 days, Anna has eaten exactly 12 candies. How many cupcakes has she eaten during that week?