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PIMSO 2025 - Mathematics - Primary 2 - National Round

Question 2

Find the value of 8 + 8 – 8 +5 + 8 – 8 – 5 + 8 – 8 + 5 + 8 – 8 – 5 + 8 – 8 + 5
  1. 13
  2. 8
  3. 5
  4. 0

Question 3

Find the tens digit of 5 + 15 + 25 + 35 + 45 + 55 + 65 +75 + 85.
  1. 4
  2. 2
  3. 1
  4. 0

Question 4

Find A in the multiplication sentence below. A x 1 + A x 6 + A x 9 = 112
  1. 3
  2. 5
  3. 7
  4. 16

Question 5

Find the number M if M + M + M + 114 = 30 + (10 x M).
  1. 84
  2. 12
  3. 9
  4. 6

Question 6

How many odd numbers are covered by the log in the series of numbers below?

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

Question 7

Cards A, B, C, and D have numbers 64, 97, 125, and 169 on it. Card A has an even number Card B has a number that can only be divided by only two numbers Card D is the result when 5 is multiplied three times to itself What is the number written on Card C?

Question illustration
  1. 169
  2. 125
  3. 97
  4. 64

Question 9

How many times does the digit “8” appear in the numbers from 10 to 88?
  1. 19
  2. 18
  3. 17
  4. 16

Question 10

There is a long line of students in the canteen during the break. June is exactly between Jan and Jimmy, and the three of them are standing next to each other (Jan in front of June). There are 18 students in front of Jan and June is the 28th from the last. How many students are in the line during that time?
  1. 46
  2. 47
  3. 48
  4. 49

Question 11

James sells mangoes and oranges in a greengrocery. The prices of mangoes and oranges are both whole numbers. If one mango and six oranges cost Php 45.00, is the price of a mango even or odd?
  1. Even
  2. Odd
  3. Could be either
  4. Cannot be determined

Question 12

Study the number sentence below.

Question illustration

Find the value of the onion shown.
  1. 27
  2. 13
  3. 6
  4. 4

Question 13

What does the letter E represent?

Question illustration
  1. 9
  2. 8
  3. 7
  4. Cannot be determined

Question 14

What is the sum of the 9th and 10th term in the number pattern below? 4, 7, 12, 19, 28, 39, 52, …
  1. 137
  2. 151
  3. 187
  4. 201

Question 15

Aurora’s mother is 53 years old. If Aurora is 17 years old now, how many years ago was her mother five times as old as she?
  1. 5
  2. 6
  3. 7
  4. 8

Question 16

How many holes are covered by the triangle on the piece of biscuit cracker below?

Question illustration
  1. 11
  2. 10
  3. 9
  4. 8

Question 17

How many triangles are formed by the 5 dots below?

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

Question 18

How many lines of symmetry does the given figure have?

Question illustration
  1. 2
  2. 4
  3. 8
  4. Infinity

Question 19

What is the greatest number of pieces that can be made when you cut the watermelon thrice?

Question illustration
  1. 8
  2. 7
  3. 6
  4. 5

Question 20

Observe the pattern below. The side of each square is 1 cm. How many such squares are there in Figure 6?

Question illustration
  1. 61
  2. 56
  3. 51
  4. 46