HKIMO 2020 Grade 2 National Final (Heat) Set 01

According to the pattern shown below, what is the number in the blank?

5, 9, 14, 20, 27, 35, __, …

According to the pattern shown below, what is the letter in the space provided?

P, o, N, n, L, m, J, __, …

Alice needs 5 minutes to travel from home to canteen. She can bring at most 3 takeaways at the same time. At most how many takeaways can she bring home in 35 minutes starting from canteen?

If 16th April, 2020 is Wednesday, which day of the week will 19th September, 2020 be?

According to the pattern shown below, how many stars (＊) are there in the 10th group?

Find the value of $256+369+248+352+244+331$.

Find the value of $38+83+27+72+65+56+14+41$.

Find the value of $38×23+19×30+38×12$.

What number should be filled in the blank to make the equation correct?

$\square ÷9+18=27$

If A and B represent different 1-digit numbers, what is the maximum value of B for which the equation is correct?

The total mathematics-test score of 80 students is odd. Each of the first 65 children has an odd score. Each of the next 14 children has an even score. Is the remaining child’s score odd or even?

Alice has 79 coins and Peter has 153 coins. How many coins must Peter give Alice so that they have the same number of coins?

Fill the lines with + and − to make the equation correct. Write the complete equation in your answer.

6 __ 3 __ 5 __ 4 = 12

The numbers below form an arithmetic sequence. What is the 10th number? By observing the numbers, which odd number is the greatest?

299, 284, 269, 254, 239, …

Answer format: write the 10th number first, then the greatest odd number, separated by a semicolon.

Find the largest 4-digit odd number without digit repetition.

A pyramid has 13 faces. How many edges does this pyramid have?

At least how many cube faces can be seen when viewing the figure below from the top?

How many line segments are there in the figure below?

According to the pattern shown below, what figure belongs in the blank?

How many interior angles are there in the polygon below?

Editorial convention: treat the tiny lower-left ledge in the raster outline as a drawing/stroke irregularity, rather than an additional intended corner. If treated as a deliberate extra edge, it can change the count; the answer here uses this stated convention.